Subtract 56/20 from 81/14
1st number: 5 11/14, 2nd number: 2 16/20
81/14 - 56/20 is 209/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
81/14 = 81 × 10/14 × 10 = 810/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140 - Subtract the two like fractions:
810/140 - 392/140 = 810 - 392/140 = 418/140 - After reducing the fraction, the answer is 209/70
- In mixed form: 269/70
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