Subtract 84/12 from 1/27
1st number: 1/27, 2nd number: 7 0/12
1/27 - 84/12 is -188/27.
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,
84/12 = 84 × 9/12 × 9 = 756/108 - Subtract the two like fractions:
4/108 - 756/108 = 4 - 756/108 = -752/108 - After reducing the fraction, the answer is -188/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27-84/12 1/54-84/12 1/27-84/24 3/27-84/12 1/81-84/12 1/27-84/36 5/27-84/12 1/27-84/60 7/27-84/12