Subtract 98/20 from 7/54
1st number: 7/54, 2nd number: 4 18/20
7/54 - 98/20 is -644/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
7/54 = 7 × 10/54 × 10 = 70/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
98/20 = 98 × 27/20 × 27 = 2646/540 - Subtract the two like fractions:
70/540 - 2646/540 = 70 - 2646/540 = -2576/540 - After reducing the fraction, the answer is -644/135
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