Subtract 42/12 from 2/3
1st number: 2/3, 2nd number: 3 6/12
2/3 - 42/12 is -17/6.
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,
2/3 = 2 × 4/3 × 4 = 8/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12 - Subtract the two like fractions:
8/12 - 42/12 = 8 - 42/12 = -34/12 - After reducing the fraction, the answer is -17/6
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