Subtract 21/63 from 12/24
12/24 - 21/63 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 24 × 21 = 504,
12/24 = 12 × 21/24 × 21 = 252/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504 - Subtract the two like fractions:
252/504 - 168/504 = 252 - 168/504 = 84/504 - After reducing the fraction, the answer is 1/6
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