Subtract 24/15 from 25/40
1st number: 25/40, 2nd number: 1 9/15
25/40 - 24/15 is -39/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
25/40 = 25 × 3/40 × 3 = 75/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
24/15 = 24 × 8/15 × 8 = 192/120 - Subtract the two like fractions:
75/120 - 192/120 = 75 - 192/120 = -117/120 - After reducing the fraction, the answer is -39/40
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