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Mathematics 17 Online
OpenStudy (anonymous):

fractions. find the sum or difference. simplify if possible. 4/7 - 1/4 =

OpenStudy (akshay_budhkar):

same question?

OpenStudy (ns36):

The answer is 9/28! You should find the lowest common denominator (in this case 28) and solve 16/28-7/28, which is 9/28.

OpenStudy (anonymous):

thx

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