Subtract 81/5 from 40/12
1st number: 3 4/12, 2nd number: 16 1/5
40/12 - 81/5 is -193/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
81/5 = 81 × 12/5 × 12 = 972/60 - Subtract the two like fractions:
200/60 - 972/60 = 200 - 972/60 = -772/60 - After reducing the fraction, the answer is -193/15
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