## anonymous one year ago 2 and 5/6 * 8 and 4/7= ?? Answer needs to be a mixed number in simplest terms

• This Question is Open
1. anonymous

are the "and"s multiplication?

2. anonymous

no they are mixed numbers

3. anonymous

so: $\large 2\frac{ 5 }{ 6 } \times 8\frac{ 4 }{ 7 }$

4. anonymous

|dw:1435528305761:dw|

5. anonymous

What is the LCM?

6. anonymous

lcm?

7. anonymous

Least Common Multiple

8. anonymous

um i dont knoooowwwww?

9. anonymous

We need a common Denominator

10. anonymous

Which means we need the bottom number to be the same in both of the fractions.

11. anonymous

ok well listen..i know youre really trying to help me and im not trying to be mean or anything...and im sorry if you take as mean...but im in summer school and i only have 2 days left to get done with algebra.....you think we could kinda speed thru this...youd be my hero... like fr

12. anonymous

6x7 = 42 7x6 = 42 42 is our LCM because it's the lowest number these two share in common when you multiply them

13. anonymous

ok so now what?

14. anonymous

|dw:1435528746426:dw|

15. anonymous

|dw:1435528824725:dw|

16. anonymous

it needs to be a mixed number

17. anonymous

next we change the real numbers into a fraction

18. anonymous

how?

19. anonymous

|dw:1435528883540:dw|

20. anonymous

Just like that

21. anonymous

|dw:1435528994369:dw|

22. anonymous

i know!

23. anonymous

|dw:1435529056837:dw| only add the tops

24. anonymous

you could have told me that.................

25. anonymous

|dw:1435529089819:dw|

26. anonymous

479 @___@

27. anonymous

I plugged it into my calculator and it comes out to 170/7

28. anonymous

do you need a mixed number?

29. anonymous

yes ...

30. anonymous

24 and 2/7

31. anonymous

im in a hurry just remember that...i cant just sit here and fool around..sorry

32. anonymous

I know. I tried to be quick but also explain it to you as well

33. anonymous

well thats sweet...ill give you a medal if you help me with my next one???

34. anonymous

ok

35. anonymous

|dw:1435529292337:dw|

36. anonymous

|dw:1435529343518:dw|

37. anonymous

it needs to be a mixed number in simplest terms again just saying.....i cant really read that sorry lol

38. anonymous

|dw:1435529426790:dw|

39. anonymous

multiply those???

40. anonymous

no 5x42= 210

41. anonymous

ok?

42. anonymous

|dw:1435529516200:dw|

43. anonymous

44. anonymous

|dw:1435529559591:dw| Yes

45. anonymous

33 and 1/3

46. anonymous

wait add these? |dw:1435529608938:dw|

47. anonymous

???

48. anonymous

no multiply

49. anonymous

|dw:1435529685059:dw|

50. anonymous

58,800

51. anonymous

now multiply the bottoms

52. anonymous

1764

53. anonymous

|dw:1435529723151:dw|

54. anonymous

mixed number??

55. anonymous

|dw:1435529761864:dw|

56. anonymous

|dw:1435529790160:dw|

57. anonymous

58. anonymous

any more?

59. anonymous

yeah another one but it just says simplify your answer. |dw:1435529885879:dw|

60. anonymous

Can you try this one yourself? Or would you like me to walk you through it again?

61. anonymous

nah i will do it

62. anonymous

tell me your answer when youre done

63. anonymous

anything?