Subtract 63/7 from 56/16, Solve 3 8/16

Subtract 63/7 from 56/16

1^st number: 3 8/16, 2^nd number: 9 0/7

56/16 - 63/7 is -11/2.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 16 × 7 = 112,
56/16 = 56 × 7/16 × 7 = 392/112
Likewise, for the 2nd fraction, since 7 × 16 = 112,
63/7 = 63 × 16/7 × 16 = 1008/112
Subtract the two like fractions:
392/112 - 1008/112 = 392 - 1008/112 = -616/112
After reducing the fraction, the answer is -11/2

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