Subtract 2/9 from 8/18
8/18 - 2/9 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,
8/18 = 8 × 1/18 × 1 = 8/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
2/9 = 2 × 2/9 × 2 = 4/18 - Subtract the two like fractions:
8/18 - 4/18 = 8 - 4/18 = 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: 16/18-2/9 8/18-4/9 8/36-2/9 8/18-2/18 24/18-2/9 8/18-6/9 8/54-2/9 8/18-2/27 40/18-2/9 8/18-10/9 8/90-2/9 8/18-2/45 56/18-2/9 8/18-14/9 8/18-2/63