Subtract 40/56 from 20/12
1st number: 1 8/12, 2nd number: 40/56
20/12 - 40/56 is 20/21.
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,
40/56 = 40 × 3/56 × 3 = 120/168 - Subtract the two like fractions:
280/168 - 120/168 = 280 - 120/168 = 160/168 - After reducing the fraction, the answer is 20/21
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