Subtract 90/12 from 1/63
1st number: 1/63, 2nd number: 7 6/12
1/63 - 90/12 is -943/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
1/63 = 1 × 4/63 × 4 = 4/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
90/12 = 90 × 21/12 × 21 = 1890/252 - Subtract the two like fractions:
4/252 - 1890/252 = 4 - 1890/252 = -1886/252 - After reducing the fraction, the answer is -943/126
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