Subtract 27/7 from 72/16, Solve 4 8/16

Subtract 27/7 from 72/16

1^st number: 4 8/16, 2^nd number: 3 6/7

72/16 - 27/7 is 9/14.

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,
72/16 = 72 × 7/16 × 7 = 504/112
Likewise, for the 2nd fraction, since 7 × 16 = 112,
27/7 = 27 × 16/7 × 16 = 432/112
Subtract the two like fractions:
504/112 - 432/112 = 504 - 432/112 = 72/112
After reducing the fraction, the answer is 9/14

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