5/7 - 5/21 = 15/21 - 5/21 = 10/21
5/7 - 5/21 = 15/21 - 5/21 = 10/21
5/7 - 5/21 = 15/21 - 5/21 = 10/21
5/7 - 5/21 = 15/21 - 5/21 = 10/21
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1 over 21. 5/7 - 2/3 = 15/21 - 14/21 = 1/21
5/21
13/21 - 7/21 = 6/21 Sorry, DJ, 4 over 7 = 12/21 so answer is 5/21
7/11 minus 2/5 is 13/55
It is: 2/7 minus 5/8 is = -19/56