Subtract 20/56 from 20/12
1st number: 1 8/12, 2nd number: 20/56
20/12 - 20/56 is 55/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
20/12 = 20 × 14/12 × 14 = 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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