Subtract 72/42 from 2/56
1st number: 2/56, 2nd number: 1 30/42
2/56 - 72/42 is -47/28.
Steps for subtracting fractions
- 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,
72/42 = 72 × 4/42 × 4 = 288/168 - Subtract the two like fractions:
6/168 - 288/168 = 6 - 288/168 = -282/168 - After reducing the fraction, the answer is -47/28
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