Subtract 90/63 from 1/12
1st number: 1/12, 2nd number: 1 27/63
1/12 - 90/63 is -113/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
1/12 = 1 × 21/12 × 21 = 21/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Subtract the two like fractions:
21/252 - 360/252 = 21 - 360/252 = -339/252 - After reducing the fraction, the answer is -113/84
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