Subtract 15/63 from 7/60
7/60 - 15/63 is -17/140.
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,
7/60 = 7 × 21/60 × 21 = 147/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
15/63 = 15 × 20/63 × 20 = 300/1260 - Subtract the two like fractions:
147/1260 - 300/1260 = 147 - 300/1260 = -153/1260 - After reducing the fraction, the answer is -17/140
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