Subtract 7/24 from 15/40
15/40 - 7/24 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
7/24 = 7 × 5/24 × 5 = 35/120 - Subtract the two like fractions:
45/120 - 35/120 = 45 - 35/120 = 10/120 - After reducing the fraction, the answer is 1/12
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