Subtract 72/56 from 1/54
1st number: 1/54, 2nd number: 1 16/56
1/54 - 72/56 is -479/378.
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,
1/54 = 1 × 28/54 × 28 = 28/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
72/56 = 72 × 27/56 × 27 = 1944/1512 - Subtract the two like fractions:
28/1512 - 1944/1512 = 28 - 1944/1512 = -1916/1512 - After reducing the fraction, the answer is -479/378
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