Subtract 28/27 from 6/12
1st number: 6/12, 2nd number: 1 1/27
6/12 - 28/27 is -29/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
6/12 = 6 × 9/12 × 9 = 54/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
28/27 = 28 × 4/27 × 4 = 112/108 - Subtract the two like fractions:
54/108 - 112/108 = 54 - 112/108 = -58/108 - After reducing the fraction, the answer is -29/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-56/27 6/24-28/27 6/12-28/54 18/12-28/27 6/12-84/27 6/36-28/27 6/12-28/81 30/12-28/27 6/60-28/27 42/12-28/27 6/84-28/27