Subtract 6/12 from 3/40
3/40 - 6/12 is -17/40.
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,
3/40 = 3 × 3/40 × 3 = 9/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
6/12 = 6 × 10/12 × 10 = 60/120 - Subtract the two like fractions:
9/120 - 60/120 = 9 - 60/120 = -51/120 - After reducing the fraction, the answer is -17/40
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