Subtract 40/12 from 3/15
1st number: 3/15, 2nd number: 3 4/12
3/15 - 40/12 is -47/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
3/15 = 3 × 4/15 × 4 = 12/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Subtract the two like fractions:
12/60 - 200/60 = 12 - 200/60 = -188/60 - After reducing the fraction, the answer is -47/15
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