Subtract 10/12 from 81/14
1st number: 5 11/14, 2nd number: 10/12
81/14 - 10/12 is 104/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
81/14 = 81 × 6/14 × 6 = 486/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84 - Subtract the two like fractions:
486/84 - 70/84 = 486 - 70/84 = 416/84 - After reducing the fraction, the answer is 104/21
- In mixed form: 420/21
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