Subtract 40/12 from 42/25
1st number: 1 17/25, 2nd number: 3 4/12
42/25 - 40/12 is -124/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
42/25 = 42 × 12/25 × 12 = 504/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
40/12 = 40 × 25/12 × 25 = 1000/300 - Subtract the two like fractions:
504/300 - 1000/300 = 504 - 1000/300 = -496/300 - After reducing the fraction, the answer is -124/75
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