Subtract 81/7 from 4/63
1st number: 4/63, 2nd number: 11 4/7
4/63 - 81/7 is -725/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
4/63 = 4 × 1/63 × 1 = 4/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
81/7 = 81 × 9/7 × 9 = 729/63 - Subtract the two like fractions:
4/63 - 729/63 = 4 - 729/63 = -725/63
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