Subtract 81/12 from 35/63
1st number: 35/63, 2nd number: 6 9/12
35/63 - 81/12 is -223/36.
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,
35/63 = 35 × 4/63 × 4 = 140/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
81/12 = 81 × 21/12 × 21 = 1701/252 - Subtract the two like fractions:
140/252 - 1701/252 = 140 - 1701/252 = -1561/252 - After reducing the fraction, the answer is -223/36
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