Subtract 42/56 from 56/21
1st number: 2 14/21, 2nd number: 42/56
56/21 - 42/56 is 23/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
56/21 = 56 × 8/21 × 8 = 448/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168 - Subtract the two like fractions:
448/168 - 126/168 = 448 - 126/168 = 322/168 - After reducing the fraction, the answer is 23/12
- In mixed form: 111/12
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