Subtract 18/63 from 1/60
1/60 - 18/63 is -113/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
1/60 = 1 × 21/60 × 21 = 21/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
18/63 = 18 × 20/63 × 20 = 360/1260 - Subtract the two like fractions:
21/1260 - 360/1260 = 21 - 360/1260 = -339/1260 - After reducing the fraction, the answer is -113/420
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