Subtract 25/40 from 21/24
21/24 - 25/40 is 1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
25/40 = 25 × 3/40 × 3 = 75/120 - Subtract the two like fractions:
105/120 - 75/120 = 105 - 75/120 = 30/120 - After reducing the fraction, the answer is 1/4
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