Subtract 20/25 from 18/24
18/24 - 20/25 is -1/20.
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,
18/24 = 18 × 25/24 × 25 = 450/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
20/25 = 20 × 24/25 × 24 = 480/600 - Subtract the two like fractions:
450/600 - 480/600 = 450 - 480/600 = -30/600 - After reducing the fraction, the answer is -1/20
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