Subtract 56/81 from 12/84
12/84 - 56/81 is -311/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
12/84 = 12 × 27/84 × 27 = 324/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
56/81 = 56 × 28/81 × 28 = 1568/2268 - Subtract the two like fractions:
324/2268 - 1568/2268 = 324 - 1568/2268 = -1244/2268 - After reducing the fraction, the answer is -311/567
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