Subtract 40/12 from 25/40
1st number: 25/40, 2nd number: 3 4/12
25/40 - 40/12 is -65/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 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 12 × 10 = 120,
40/12 = 40 × 10/12 × 10 = 400/120 - Subtract the two like fractions:
75/120 - 400/120 = 75 - 400/120 = -325/120 - After reducing the fraction, the answer is -65/24
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