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yes ,i definetly did,more than once ,i just had trouble comprehending the way they try to explain it.thats why i asked to please get help showing several of both kinds of problems,some addition &some subtraction so i could try to understand how they where done.please help by showing how these where worked out to get the answer.to the problems i posted last night.i.ve done the best i could but aren't sure there right.HELP PLEASE!!!!

... how to find the sum in simplest form of these common denominators 1/2 +1/10= ,5/12+1/4=,the difference in 2/3-1/6 =, 5/6-7/12=

Common denominators to use are after the arrows:

1/2 +1/10 ~~~>10

5/12+1/4 ~~~>12

http://www.aaastudy.com/fra.htm#topic5

2/3-1/6 ~~~>6

5/6-7/12 ~~~>12

http://www.aaastudy.com/fra.htm#topic45
Subtracting fractions

These are just not that hard. One of the fractions in each problem already has the common denominator!! I'll do the first one for you.

1/2 +1/10 ~~~>10
therefore 5/10 + 1/10 = 6/10 = 3/5

You typed, "i.ve done the best i could but aren't sure there right."

I haven't seen any of your work yet. Where did you post it?

1x2
5x5

this is soooooooooooooo BORING

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