Subtract 42/25 from 12/15
1st number: 12/15, 2nd number: 1 17/25
12/15 - 42/25 is -22/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
12/15 = 12 × 5/15 × 5 = 60/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
42/25 = 42 × 3/25 × 3 = 126/75 - Subtract the two like fractions:
60/75 - 126/75 = 60 - 126/75 = -66/75 - After reducing the fraction, the answer is -22/25
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