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rainbow_rocks03

  • one year ago

Plz explain how to do this NO direct answers plz! will medal for best response.

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  1. anonymous
    • one year ago
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    hi

  2. rainbow_rocks03
    • one year ago
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    i am putting the question down plz be patient, TY!

  3. rainbow_rocks03
    • one year ago
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  4. rainbow_rocks03
    • one year ago
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    PLZ explain no direct answers!

  5. rainbow_rocks03
    • one year ago
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    @kimbllse777

  6. anonymous
    • one year ago
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    you need to change both fractions to a common denominator to do addition (and subtraction). What is the least common multiple of 6 and 8?

  7. rainbow_rocks03
    • one year ago
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    do you mean LCD or LCM cause its been saying LCD

  8. anonymous
    • one year ago
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    for this purpose, they're pretty much the same thing

  9. rainbow_rocks03
    • one year ago
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    oh ok, i thought so

  10. rainbow_rocks03
    • one year ago
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    So the LCD of 6 and 8 is 24?

  11. anonymous
    • one year ago
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    right

  12. anonymous
    • one year ago
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    hi

  13. rainbow_rocks03
    • one year ago
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    stop saying hi plz.

  14. anonymous
    • one year ago
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    so now you have to multiply the fractions by 1 in other forms to change them. multiply 1/6 by 4/4 and mulitply 3/8 by 3/3.\[\frac{ 1\times4 }{ 6\times4 }+\frac{ 3\times3 }{ 8\times3 }\]

  15. anonymous
    • one year ago
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    that will give you 24 in both denominators

  16. rainbow_rocks03
    • one year ago
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    1*4=4 & 3*3=9

  17. anonymous
    • one year ago
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    yes, so you have 4/24 + 9/24 =

  18. rainbow_rocks03
    • one year ago
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    Now I add the numerators together?

  19. anonymous
    • one year ago
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    yes

  20. rainbow_rocks03
    • one year ago
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    so 4+9=13

  21. anonymous
    • one year ago
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    right

  22. anonymous
    • one year ago
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    so your final answer is what?

  23. rainbow_rocks03
    • one year ago
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    13/24 ?

  24. anonymous
    • one year ago
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    yep :)

  25. rainbow_rocks03
    • one year ago
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    TY for the help @peachpi !!! :D

  26. anonymous
    • one year ago
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    you're welcome

  27. anonymous
    • one year ago
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    the reason this works is because once the two values are expressed with a common denominator, that fraction can be factored out. it leaves a simple addition of whole numbers which can be added and then multipled by the factor to yield a single value: \[\frac{ 1 }{ 6 }+\frac{ 3 }{ 8 }=\frac{ 1 }{ 6 }\cdot \frac{ 4 }{ 4 }+\frac{ 3 }{ 8 }\cdot \frac{ 3 }{ 3 }=\frac{ 4 }{ 24}+\frac{ 9 }{ 24 }=\frac{ 1 }{ 24 }\left( 4+9 \right)=\frac{ 1 }{ 24 }\left( 13 \right)=\frac{ 13 }{ 24 }\]

  28. rainbow_rocks03
    • one year ago
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    can you help with another cause im still kinda not used to it. :/

  29. rainbow_rocks03
    • one year ago
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    @peachpi ?

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