Subtract 56/81 from 90/27
1st number: 3 9/27, 2nd number: 56/81
90/27 - 56/81 is 214/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 27 × 3 = 81,
90/27 = 90 × 3/27 × 3 = 270/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
56/81 = 56 × 1/81 × 1 = 56/81 - Subtract the two like fractions:
270/81 - 56/81 = 270 - 56/81 = 214/81 - In mixed form: 252/81
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