tiffanywhthrn tiffanywhthrn

23-01-2018
Mathematics

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Find the sum or difference of 1/12 + 7/9

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bakergirl5673 bakergirl5673

23-01-2018

find a common denominator between 12 and 9
it would be 36
9*4=36
12*3=36
1*3=3
7*4=28
3/36 + 28/36 = 31/36

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