Subtract 28/18 from 2/9
1st number: 2/9, 2nd number: 1 10/18
2/9 - 28/18 is -4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
2/9 = 2 × 2/9 × 2 = 4/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Subtract the two like fractions:
4/18 - 28/18 = 4 - 28/18 = -24/18 - After reducing the fraction, the answer is -4/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9-28/18 2/9-56/18 2/18-28/18 2/9-28/36 6/9-28/18 2/9-84/18 2/27-28/18 2/9-28/54 10/9-28/18 2/45-28/18 2/9-28/90 14/9-28/18 2/63-28/18