Subtract 12/36 from 21/24
21/24 - 12/36 is 13/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
12/36 = 12 × 2/36 × 2 = 24/72 - Subtract the two like fractions:
63/72 - 24/72 = 63 - 24/72 = 39/72 - After reducing the fraction, the answer is 13/24
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