Subtract 6/12 from 7/18
7/18 - 6/12 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,
7/18 = 7 × 2/18 × 2 = 14/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
6/12 = 6 × 3/12 × 3 = 18/36 - Subtract the two like fractions:
14/36 - 18/36 = 14 - 18/36 = -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: 14/18-6/12 7/36-6/12 7/18-6/24 21/18-6/12 7/18-18/12 7/54-6/12 7/18-6/36 35/18-6/12 7/18-30/12 7/90-6/12 7/18-6/60 49/18-6/12 7/18-42/12 7/18-6/84