Subtract 2/3 from 28/18
1st number: 1 10/18, 2nd number: 2/3
28/18 - 2/3 is 8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
2/3 = 2 × 6/3 × 6 = 12/18 - Subtract the two like fractions:
28/18 - 12/18 = 28 - 12/18 = 16/18 - After reducing the fraction, the answer is 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-2/3 28/18-4/3 28/36-2/3 28/18-2/6 84/18-2/3 28/18-6/3 28/54-2/3 28/18-2/9 28/18-10/3 28/90-2/3 28/18-2/15 28/18-14/3 28/18-2/21