Subtract 4/56 from 18/54
18/54 - 4/56 is 11/42.
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,
18/54 = 18 × 28/54 × 28 = 504/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
4/56 = 4 × 27/56 × 27 = 108/1512 - Subtract the two like fractions:
504/1512 - 108/1512 = 504 - 108/1512 = 396/1512 - After reducing the fraction, the answer is 11/42
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