Subtract 18/12 from 2/27
1st number: 2/27, 2nd number: 1 6/12
2/27 - 18/12 is -77/54.
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,
2/27 = 2 × 4/27 × 4 = 8/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
18/12 = 18 × 9/12 × 9 = 162/108 - Subtract the two like fractions:
8/108 - 162/108 = 8 - 162/108 = -154/108 - After reducing the fraction, the answer is -77/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/27-18/12 2/27-36/12 2/54-18/12 2/27-18/24 6/27-18/12 2/27-54/12 2/81-18/12 2/27-18/36 10/27-18/12 2/27-90/12 2/27-18/60 14/27-18/12 2/27-18/84