Subtract 4/5 from 12/63
12/63 - 4/5 is -64/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
12/63 = 12 × 5/63 × 5 = 60/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
4/5 = 4 × 63/5 × 63 = 252/315 - Subtract the two like fractions:
60/315 - 252/315 = 60 - 252/315 = -192/315 - After reducing the fraction, the answer is -64/105
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