Subtract 20/15 from 1/12
1st number: 1/12, 2nd number: 1 5/15
1/12 - 20/15 is -5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
1/12 = 1 × 5/12 × 5 = 5/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
20/15 = 20 × 4/15 × 4 = 80/60 - Subtract the two like fractions:
5/60 - 80/60 = 5 - 80/60 = -75/60 - After reducing the fraction, the answer is -5/4
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