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OpenStudy (anonymous):
simplify 21/15
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OpenStudy (anonymous):
7/5
OpenStudy (anonymous):
21/15 Ask yourself what can divide into both the numerator and the denominator. The only number is 3. So, if you divide 3 into 21, you get 7, and if you divide 15 by 3, you get 5. So, the answer is 7/5.
OpenStudy (anonymous):
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