Subtract 27/12 from 32/42
1st number: 32/42, 2nd number: 2 3/12
32/42 - 27/12 is -125/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
32/42 = 32 × 2/42 × 2 = 64/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Subtract the two like fractions:
64/84 - 189/84 = 64 - 189/84 = -125/84
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