Subtract 12/56 from 20/24
20/24 - 12/56 is 13/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Subtract the two like fractions:
140/168 - 36/168 = 140 - 36/168 = 104/168 - After reducing the fraction, the answer is 13/21
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