Subtract 28/27 from 8/12
1st number: 8/12, 2nd number: 1 1/27
8/12 - 28/27 is -10/27.
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,
8/12 = 8 × 9/12 × 9 = 72/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
28/27 = 28 × 4/27 × 4 = 112/108 - Subtract the two like fractions:
72/108 - 112/108 = 72 - 112/108 = -40/108 - After reducing the fraction, the answer is -10/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12-28/27 8/12-56/27 8/24-28/27 8/12-28/54 24/12-28/27 8/12-84/27 8/36-28/27 8/12-28/81 40/12-28/27 8/60-28/27 56/12-28/27 8/84-28/27