Subtract 42/56 from 48/42, Solve 1 6/42

Subtract 42/56 from 48/42

1^st number: 1 6/42, 2^nd number: 42/56

48/42 - 42/56 is 11/28.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
48/42 = 48 × 4/42 × 4 = 192/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168
Subtract the two like fractions:
192/168 - 126/168 = 192 - 126/168 = 66/168
After reducing the fraction, the answer is 11/28

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