Subtract 8/12 from 4/40
4/40 - 8/12 is -17/30.
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,
4/40 = 4 × 3/40 × 3 = 12/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
8/12 = 8 × 10/12 × 10 = 80/120 - Subtract the two like fractions:
12/120 - 80/120 = 12 - 80/120 = -68/120 - After reducing the fraction, the answer is -17/30
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