Subtract 21/56 from 42/3
1st number: 14 0/3, 2nd number: 21/56
42/3 - 21/56 is 109/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
42/3 = 42 × 56/3 × 56 = 2352/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Subtract the two like fractions:
2352/168 - 63/168 = 2352 - 63/168 = 2289/168 - After reducing the fraction, the answer is 109/8
- In mixed form: 135/8
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