Subtract 5/9 from 6/18
6/18 - 5/9 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
6/18 = 6 × 1/18 × 1 = 6/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
5/9 = 5 × 2/9 × 2 = 10/18 - Subtract the two like fractions:
6/18 - 10/18 = 6 - 10/18 = -4/18 - After reducing the fraction, the answer is -2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18-5/9 6/18-10/9 6/36-5/9 6/18-5/18 6/18-15/9 6/54-5/9 6/18-5/27 30/18-5/9 6/18-25/9 6/90-5/9 6/18-5/45 42/18-5/9 6/18-35/9 6/18-5/63