Subtract 5/8 from 18/63
18/63 - 5/8 is -19/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
5/8 = 5 × 63/8 × 63 = 315/504 - Subtract the two like fractions:
144/504 - 315/504 = 144 - 315/504 = -171/504 - After reducing the fraction, the answer is -19/56
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