Subtract 20/24 from 7/63
7/63 - 20/24 is -13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
7/63 = 7 × 8/63 × 8 = 56/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
20/24 = 20 × 21/24 × 21 = 420/504 - Subtract the two like fractions:
56/504 - 420/504 = 56 - 420/504 = -364/504 - After reducing the fraction, the answer is -13/18
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