Subtract 1/12 from 42/56, Solve 42/56

Subtract 1/12 from 42/56

42/56 - 1/12 is 2/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168
Likewise, for the 2nd fraction, since 12 × 14 = 168,
1/12 = 1 × 14/12 × 14 = 14/168
Subtract the two like fractions:
126/168 - 14/168 = 126 - 14/168 = 112/168
After reducing the fraction, the answer is 2/3

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