Subtract 2/12 from 1/18
1/18 - 2/12 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
1/18 = 1 × 2/18 × 2 = 2/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
2/12 = 2 × 3/12 × 3 = 6/36 - Subtract the two like fractions:
2/36 - 6/36 = 2 - 6/36 = -4/36 - After reducing the fraction, the answer is -1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-2/12 1/18-4/12 1/36-2/12 1/18-2/24 3/18-2/12 1/18-6/12 1/54-2/12 1/18-2/36 5/18-2/12 1/18-10/12 1/90-2/12 1/18-2/60 7/18-2/12 1/18-14/12 1/18-2/84