Subtract 63/28 from 27/16, Solve 1 11/16

Subtract 63/28 from 27/16

1^st number: 1 11/16, 2^nd number: 2 7/28

27/16 - 63/28 is -9/16.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 16 × 7 = 112,
27/16 = 27 × 7/16 × 7 = 189/112
Likewise, for the 2nd fraction, since 28 × 4 = 112,
63/28 = 63 × 4/28 × 4 = 252/112
Subtract the two like fractions:
189/112 - 252/112 = 189 - 252/112 = -63/112
After reducing the fraction, the answer is -9/16

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