Subtract 21/24 from 20/50
20/50 - 21/24 is -19/40.
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,
20/50 = 20 × 12/50 × 12 = 240/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
21/24 = 21 × 25/24 × 25 = 525/600 - Subtract the two like fractions:
240/600 - 525/600 = 240 - 525/600 = -285/600 - After reducing the fraction, the answer is -19/40
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