Subtract 3/63 from 5/20
5/20 - 3/63 is 17/84.
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,
5/20 = 5 × 63/20 × 63 = 315/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
3/63 = 3 × 20/63 × 20 = 60/1260 - Subtract the two like fractions:
315/1260 - 60/1260 = 315 - 60/1260 = 255/1260 - After reducing the fraction, the answer is 17/84
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