Subtract 81/3 from 4/56, Solve 4/56

Subtract 81/3 from 4/56

1^st number: 4/56, 2^nd number: 27 0/3

4/56 - 81/3 is -377/14.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 3 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
4/56 = 4 × 3/56 × 3 = 12/168
Likewise, for the 2nd fraction, since 3 × 56 = 168,
81/3 = 81 × 56/3 × 56 = 4536/168
Subtract the two like fractions:
12/168 - 4536/168 = 12 - 4536/168 = -4524/168
After reducing the fraction, the answer is -377/14

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