Subtract 56/27 from 18/81
1st number: 18/81, 2nd number: 2 2/27
18/81 - 56/27 is -50/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 27 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
18/81 = 18 × 1/81 × 1 = 18/81 - Likewise, for the 2nd fraction, since 27 × 3 = 81,
56/27 = 56 × 3/27 × 3 = 168/81 - Subtract the two like fractions:
18/81 - 168/81 = 18 - 168/81 = -150/81 - After reducing the fraction, the answer is -50/27
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