Subtract 72/20 from 10/54
1st number: 10/54, 2nd number: 3 12/20
10/54 - 72/20 is -461/135.
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,
10/54 = 10 × 10/54 × 10 = 100/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
72/20 = 72 × 27/20 × 27 = 1944/540 - Subtract the two like fractions:
100/540 - 1944/540 = 100 - 1944/540 = -1844/540 - After reducing the fraction, the answer is -461/135
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