Subtract 20/12 from 1/3
1st number: 1/3, 2nd number: 1 8/12
1/3 - 20/12 is -4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
1/3 = 1 × 4/3 × 4 = 4/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
20/12 = 20 × 1/12 × 1 = 20/12 - Subtract the two like fractions:
4/12 - 20/12 = 4 - 20/12 = -16/12 - After reducing the fraction, the answer is -4/3
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