Subtract 9/27 from 2/12
2/12 - 9/27 is -1/6.
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,
2/12 = 2 × 9/12 × 9 = 18/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
9/27 = 9 × 4/27 × 4 = 36/108 - Subtract the two like fractions:
18/108 - 36/108 = 18 - 36/108 = -18/108 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-9/27 2/12-18/27 2/24-9/27 2/12-9/54 6/12-9/27 2/36-9/27 2/12-9/81 10/12-9/27 2/12-45/27 2/60-9/27 14/12-9/27 2/12-63/27 2/84-9/27