Subtract 2/9 from 7/18
7/18 - 2/9 is 1/6.
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,
7/18 = 7 × 1/18 × 1 = 7/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
2/9 = 2 × 2/9 × 2 = 4/18 - Subtract the two like fractions:
7/18 - 4/18 = 7 - 4/18 = 3/18 - 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: 14/18-2/9 7/18-4/9 7/36-2/9 7/18-2/18 21/18-2/9 7/18-6/9 7/54-2/9 7/18-2/27 35/18-2/9 7/18-10/9 7/90-2/9 7/18-2/45 49/18-2/9 7/18-14/9 7/18-2/63