Subtract 56/21 from 24/81
1st number: 24/81, 2nd number: 2 14/21
24/81 - 56/21 is -64/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 21 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
24/81 = 24 × 7/81 × 7 = 168/567 - Likewise, for the 2nd fraction, since 21 × 27 = 567,
56/21 = 56 × 27/21 × 27 = 1512/567 - Subtract the two like fractions:
168/567 - 1512/567 = 168 - 1512/567 = -1344/567 - After reducing the fraction, the answer is -64/27
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