Subtract 20/56 from 35/21
1st number: 1 14/21, 2nd number: 20/56
35/21 - 20/56 is 55/42.
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,
35/21 = 35 × 8/21 × 8 = 280/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
20/56 = 20 × 3/56 × 3 = 60/168 - Subtract the two like fractions:
280/168 - 60/168 = 280 - 60/168 = 220/168 - After reducing the fraction, the answer is 55/42
- In mixed form: 113/42
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