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Mathematics 15 Online
OpenStudy (anonymous):

4/9 - 3/7

OpenStudy (anonymous):

1/63

OpenStudy (studygurl14):

These two fractions have different denominators. So, do this.. 4/9 (7/7) - (3/7)(9/9) --> 28/63 - 27/63. So what's the answer? 1/63

OpenStudy (isaiah.feynman):

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