Subtract 90/63 from 27/36
1st number: 27/36, 2nd number: 1 27/63
27/36 - 90/63 is -19/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
27/36 = 27 × 7/36 × 7 = 189/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Subtract the two like fractions:
189/252 - 360/252 = 189 - 360/252 = -171/252 - After reducing the fraction, the answer is -19/28
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