Subtract 81/3 from 20/54
1st number: 20/54, 2nd number: 27 0/3
20/54 - 81/3 is -719/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
81/3 = 81 × 18/3 × 18 = 1458/54 - Subtract the two like fractions:
20/54 - 1458/54 = 20 - 1458/54 = -1438/54 - After reducing the fraction, the answer is -719/27
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