Subtract 81/56 from 7/63
1st number: 7/63, 2nd number: 1 25/56
7/63 - 81/56 is -673/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
7/63 = 7 × 8/63 × 8 = 56/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
81/56 = 81 × 9/56 × 9 = 729/504 - Subtract the two like fractions:
56/504 - 729/504 = 56 - 729/504 = -673/504
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