Subtract 12/24 from 21/50
21/50 - 12/24 is -2/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 50 × 12 = 600,
21/50 = 21 × 12/50 × 12 = 252/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
12/24 = 12 × 25/24 × 25 = 300/600 - Subtract the two like fractions:
252/600 - 300/600 = 252 - 300/600 = -48/600 - After reducing the fraction, the answer is -2/25
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