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10 + 7 + 3 = 20
Suppose the answer is x.Then x + 1/2 = 7/20 so that x = 7/20 - 1/2 = 7/20 - 10/20 = -3/20
73/5 + 33/4 in lowest terms is 227/20 or117/20
6/7
5 + 2 + 3 + 7 + (21/7) = 20