Subtract 5/56 from 21/54
21/54 - 5/56 is 151/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
21/54 = 21 × 28/54 × 28 = 588/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
5/56 = 5 × 27/56 × 27 = 135/1512 - Subtract the two like fractions:
588/1512 - 135/1512 = 588 - 135/1512 = 453/1512 - After reducing the fraction, the answer is 151/504
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