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12 7/8 - 3 6/7

convert 12 7/8 to 103/8

convert 3 6/7 to 27/7

find lowest common denominator = 56

7(103) minus 8 ( 27) all divided by 56

(721 - 216) / 56 = 505/56 = 9.018

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15y ago

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