Subtract 7/63 from 81/14
1st number: 5 11/14, 2nd number: 7/63
81/14 - 7/63 is 715/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
81/14 = 81 × 9/14 × 9 = 729/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126 - Subtract the two like fractions:
729/126 - 14/126 = 729 - 14/126 = 715/126 - In mixed form: 585/126
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