Subtract 20/14 from 81/8
1st number: 10 1/8, 2nd number: 1 6/14
81/8 - 20/14 is 487/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
81/8 = 81 × 7/8 × 7 = 567/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
20/14 = 20 × 4/14 × 4 = 80/56 - Subtract the two like fractions:
567/56 - 80/56 = 567 - 80/56 = 487/56 - In mixed form: 839/56
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