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