Subtract 21/25 from 20/24
20/24 - 21/25 is -1/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 25 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
20/24 = 20 × 25/24 × 25 = 500/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
21/25 = 21 × 24/25 × 24 = 504/600 - Subtract the two like fractions:
500/600 - 504/600 = 500 - 504/600 = -4/600 - After reducing the fraction, the answer is -1/150
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