Subtract 90/54 from 5/28
1st number: 5/28, 2nd number: 1 36/54
5/28 - 90/54 is -125/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
5/28 = 5 × 27/28 × 27 = 135/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
90/54 = 90 × 14/54 × 14 = 1260/756 - Subtract the two like fractions:
135/756 - 1260/756 = 135 - 1260/756 = -1125/756 - After reducing the fraction, the answer is -125/84
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