Subtract 8/63 from 12/20
12/20 - 8/63 is 149/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
12/20 = 12 × 63/20 × 63 = 756/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
8/63 = 8 × 20/63 × 20 = 160/1260 - Subtract the two like fractions:
756/1260 - 160/1260 = 756 - 160/1260 = 596/1260 - After reducing the fraction, the answer is 149/315
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