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twitch

  • 2 years ago

Need helpp MEdalls!!!

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  1. TrashMan914
    • 2 years ago
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    Okay, if you say so.

  2. twitch
    • 2 years ago
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    hang on imma draw my problem

  3. evansda
    • 2 years ago
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    Lol

  4. twitch
    • 2 years ago
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    \[-4\frac{ 3 }{ 5 }-2\frac{ 1 }{ 2 }\]

  5. twitch
    • 2 years ago
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    I dont understad how to simplify these problems

  6. twitch
    • 2 years ago
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    Id rather know how to do this problem then relie on a caculator

  7. twitch
    • 2 years ago
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    dude uve been typing for the past 20 minutes are you gonna help me?

  8. akhaliq99
    • 2 years ago
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    -71/10

  9. akhaliq99
    • 2 years ago
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    changed mixed numbers to improper fractions

  10. akhaliq99
    • 2 years ago
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    so -(23/5)-(5/2)=-(46/10)-(25/10)=-71/10

  11. twitch
    • 2 years ago
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    but I have like 20 more of those to answer so I was hopeing somebody can show me the steps so I can copy the procedure on the other problems

  12. akhaliq99
    • 2 years ago
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    ok multiply 5 by 4 and then add 3 for first fraction to get -23/5

  13. Benbburn
    • 2 years ago
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    the quickest way to think about it is to multiply the denominator by the whole number the add the numerator. the get common denominators before anyting else

  14. akhaliq99
    • 2 years ago
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    you get the numerator that way over the same denominator

  15. Benbburn
    • 2 years ago
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    so like x(a/b) = (bx+a)/b

  16. akhaliq99
    • 2 years ago
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    do same for second fraction to end up with improper fractions

  17. twitch
    • 2 years ago
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    so I have to find the common denominator before anythiing

  18. Benbburn
    • 2 years ago
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    i would get them to imporper fractions before common denominators

  19. akhaliq99
    • 2 years ago
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    yes then find common denominator if it is not already there.

  20. akhaliq99
    • 2 years ago
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    first. convert mixed number to improper fraction second. get common denominator if needed third. solve

  21. twitch
    • 2 years ago
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    okay so it should be 12/5 -2/2

  22. twitch
    • 2 years ago
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    then the denominators should be 10 right

  23. akhaliq99
    • 2 years ago
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    no \[4 \frac{ 3 }{ 5 }\]

  24. akhaliq99
    • 2 years ago
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    becomes 23/5

  25. twitch
    • 2 years ago
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    how did you get 23

  26. akhaliq99
    • 2 years ago
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    because 5*4 is 20 and then add 3 to get 23

  27. akhaliq99
    • 2 years ago
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    that is new numerator

  28. akhaliq99
    • 2 years ago
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    and denominator stays the same

  29. twitch
    • 2 years ago
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    oh okay so let me try again

  30. twitch
    • 2 years ago
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    23/5 - 5/2

  31. akhaliq99
    • 2 years ago
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    look at this http://www.mathplayground.com/fractions_mixed.html

  32. akhaliq99
    • 2 years ago
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    yes thats right but dont forget the minus signs

  33. twitch
    • 2 years ago
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    okay the 23/5 would be negative right ?

  34. akhaliq99
    • 2 years ago
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    yes

  35. akhaliq99
    • 2 years ago
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    because 4(3/5) was negative

  36. akhaliq99
    • 2 years ago
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    the number is the same just converted to make it easier to do computations

  37. akhaliq99
    • 2 years ago
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    type in calculator and see you get the same number

  38. twitch
    • 2 years ago
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    -(23/5) -5/2 and the common denominator would be ten right

  39. akhaliq99
    • 2 years ago
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    also 5 goes into 23 4 times plus some remainder which is the fraction

  40. akhaliq99
    • 2 years ago
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    yes

  41. twitch
    • 2 years ago
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    okay i got that

  42. twitch
    • 2 years ago
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    so were do i go from there

  43. akhaliq99
    • 2 years ago
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    just subtract the numerators and get the solution

  44. twitch
    • 2 years ago
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    18/10

  45. akhaliq99
    • 2 years ago
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    the denominator stays the same so -71/10

  46. twitch
    • 2 years ago
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    how did you get 71

  47. akhaliq99
    • 2 years ago
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    when you multiplied to get common denominator what did you get?

  48. akhaliq99
    • 2 years ago
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    -46/10-25/10=-71/10

  49. twitch
    • 2 years ago
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    I did'nt multipy anything

  50. akhaliq99
    • 2 years ago
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    do u see how I got that

  51. twitch
    • 2 years ago
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    you cross multiplyed?

  52. akhaliq99
    • 2 years ago
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    multiply top and bottom for -23/5 by 10 and then multiply top and bottom of 25/10 by 2 to get 46/10 and 25/10

  53. akhaliq99
    • 2 years ago
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    oh sorry I wrote that wrong ignore it

  54. akhaliq99
    • 2 years ago
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    so -23/5 by 2/2 and -5/2 by 5/5

  55. twitch
    • 2 years ago
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    okay I see

  56. twitch
    • 2 years ago
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    so -71/10

  57. akhaliq99
    • 2 years ago
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    do you get it?

  58. twitch
    • 2 years ago
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    yea

  59. twitch
    • 2 years ago
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    -71/10 right and that can be simplified

  60. akhaliq99
    • 2 years ago
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    take a look at this http://www.mathsisfun.com/numbers/common-denominator.html

  61. akhaliq99
    • 2 years ago
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    yes correct!

  62. twitch
    • 2 years ago
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    cool thanks man

  63. akhaliq99
    • 2 years ago
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    no problem take care

  64. twitch
    • 2 years ago
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    you too

  65. twitch
    • 2 years ago
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    do you see what i mean

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