Subtract 80/9 from 2/18
1st number: 2/18, 2nd number: 8 8/9
2/18 - 80/9 is -79/9.
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,
2/18 = 2 × 1/18 × 1 = 2/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
80/9 = 80 × 2/9 × 2 = 160/18 - Subtract the two like fractions:
2/18 - 160/18 = 2 - 160/18 = -158/18 - After reducing the fraction, the answer is -79/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-80/9 2/36-80/9 2/18-80/18 6/18-80/9 2/54-80/9 2/18-80/27 10/18-80/9 2/90-80/9 2/18-80/45 14/18-80/9 2/18-80/63