whats 2m/3 + 4m/5 = can u help?

2009-05-03 9:30 am
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回答 (9)

2009-05-03 9:34 am
✔ 最佳答案
you need them to both have a common denominator of 15
so multiply the first fraction by 5/5 gives 10m/15
and multiply the 2nd fraction by 3/3 gives 12m/15
then
2m/3 + 4m/5
= 10m/15 + 12m/15
= 22m/15
.,.,.
2009-05-03 9:34 am
22m/15
2009-05-03 6:46 pm
10m/15 + 12m/15 = 22 m / 15
2009-05-03 3:40 pm
2m/3 + 4m/5

Answer:

22m/15
2009-05-03 10:06 am
22m/15
2009-05-03 9:53 am
2m/3 + 4m/5
= (2m * 5)/(3 * 5) + (4m * 3)/(5 * 3)
= 10m/15 + 12m/15
= 22m/15
2009-05-03 9:45 am
22m/15
2009-05-03 9:42 am
2m/3(5/5)+4m/5(3/3)=
10m/15+12m/15=

22m/15
2009-05-03 9:35 am
2m/3 + 4m/5
= 5(2m) + 3(4m)/15
= (10m +12m)/15
= 22m /15


If you want to solve for m you must equate the equation to some value.
參考: ..


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