Subtract 90/81 from 1/14
1st number: 1/14, 2nd number: 1 9/81
1/14 - 90/81 is -131/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
1/14 = 1 × 81/14 × 81 = 81/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
90/81 = 90 × 14/81 × 14 = 1260/1134 - Subtract the two like fractions:
81/1134 - 1260/1134 = 81 - 1260/1134 = -1179/1134 - After reducing the fraction, the answer is -131/126
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