Subtract 81/54 from 2/28
1st number: 2/28, 2nd number: 1 27/54
2/28 - 81/54 is -10/7.
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,
2/28 = 2 × 27/28 × 27 = 54/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
81/54 = 81 × 14/54 × 14 = 1134/756 - Subtract the two like fractions:
54/756 - 1134/756 = 54 - 1134/756 = -1080/756 - After reducing the fraction, the answer is -10/7
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