Subtract 75/54 from 45/56
1st number: 45/56, 2nd number: 1 21/54
45/56 - 75/54 is -295/504.
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,
45/56 = 45 × 27/56 × 27 = 1215/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
75/54 = 75 × 28/54 × 28 = 2100/1512 - Subtract the two like fractions:
1215/1512 - 2100/1512 = 1215 - 2100/1512 = -885/1512 - After reducing the fraction, the answer is -295/504
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Related: 90/56-75/54