Subtract 3/42 from 49/56, Solve 49/56

Subtract 3/42 from 49/56

49/56 - 3/42 is 45/56.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
49/56 = 49 × 3/56 × 3 = 147/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
3/42 = 3 × 4/42 × 4 = 12/168
Subtract the two like fractions:
147/168 - 12/168 = 147 - 12/168 = 135/168
After reducing the fraction, the answer is 45/56

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