Subtract 81/63 from 7/36
1st number: 7/36, 2nd number: 1 18/63
7/36 - 81/63 is -275/252.
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,
7/36 = 7 × 7/36 × 7 = 49/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252 - Subtract the two like fractions:
49/252 - 324/252 = 49 - 324/252 = -275/252
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