Subtract 49/42 from 2/56, Solve 2/56

Subtract 49/42 from 2/56

1^st number: 2/56, 2^nd number: 1 7/42

2/56 - 49/42 is -95/84.

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,
2/56 = 2 × 3/56 × 3 = 6/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
49/42 = 49 × 4/42 × 4 = 196/168
Subtract the two like fractions:
6/168 - 196/168 = 6 - 196/168 = -190/168
After reducing the fraction, the answer is -95/84

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