Subtract 27/12 from 18/63
1st number: 18/63, 2nd number: 2 3/12
18/63 - 27/12 is -55/28.
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,
18/63 = 18 × 4/63 × 4 = 72/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
27/12 = 27 × 21/12 × 21 = 567/252 - Subtract the two like fractions:
72/252 - 567/252 = 72 - 567/252 = -495/252 - After reducing the fraction, the answer is -55/28
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