Subtract 8/24 from 81/63
1st number: 1 18/63, 2nd number: 8/24
81/63 - 8/24 is 20/21.
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,
81/63 = 81 × 8/63 × 8 = 648/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
8/24 = 8 × 21/24 × 21 = 168/504 - Subtract the two like fractions:
648/504 - 168/504 = 648 - 168/504 = 480/504 - After reducing the fraction, the answer is 20/21
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