Subtract 81/24 from 56/28
1st number: 2 0/28, 2nd number: 3 9/24
56/28 - 81/24 is -11/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
56/28 = 56 × 6/28 × 6 = 336/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
81/24 = 81 × 7/24 × 7 = 567/168 - Subtract the two like fractions:
336/168 - 567/168 = 336 - 567/168 = -231/168 - After reducing the fraction, the answer is -11/8
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