Subtract 42/12 from 1/27
1st number: 1/27, 2nd number: 3 6/12
1/27 - 42/12 is -187/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
1/27 = 1 × 4/27 × 4 = 4/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
42/12 = 42 × 9/12 × 9 = 378/108 - Subtract the two like fractions:
4/108 - 378/108 = 4 - 378/108 = -374/108 - After reducing the fraction, the answer is -187/54
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