Subtract 42/12 from 12/6
1st number: 2 0/6, 2nd number: 3 6/12
12/6 - 42/12 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
12/6 = 12 × 2/6 × 2 = 24/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12 - Subtract the two like fractions:
24/12 - 42/12 = 24 - 42/12 = -18/12 - After reducing the fraction, the answer is -3/2
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