Subtract 15/25 from 1/40
1/40 - 15/25 is -23/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
1/40 = 1 × 5/40 × 5 = 5/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
15/25 = 15 × 8/25 × 8 = 120/200 - Subtract the two like fractions:
5/200 - 120/200 = 5 - 120/200 = -115/200 - After reducing the fraction, the answer is -23/40
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