Subtract 21/56 from 16/12, Solve 1 4/12

Subtract 21/56 from 16/12

1^st number: 1 4/12, 2^nd number: 21/56

16/12 - 21/56 is 23/24.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 12 × 14 = 168,
16/12 = 16 × 14/12 × 14 = 224/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168
Subtract the two like fractions:
224/168 - 63/168 = 224 - 63/168 = 161/168
After reducing the fraction, the answer is 23/24

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