Subtract 12/54 from 7/56
7/56 - 12/54 is -7/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
7/56 = 7 × 27/56 × 27 = 189/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
12/54 = 12 × 28/54 × 28 = 336/1512 - Subtract the two like fractions:
189/1512 - 336/1512 = 189 - 336/1512 = -147/1512 - After reducing the fraction, the answer is -7/72
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