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OpenStudy (anonymous):
Find the sum or difference. 20/21- 5/21 A 2/3 B 5/7 C 16/21
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OpenStudy (anonymous):
you can put them into decimals by dividing the fraction, and then subtract them try it out :)
OpenStudy (anonymous):
|dw:1416513732596:dw||dw:1416513775239:dw|
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