Subtract 28/27 from 28/18
1st number: 1 10/18, 2nd number: 1 1/27
28/18 - 28/27 is 14/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
28/18 = 28 × 3/18 × 3 = 84/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
28/27 = 28 × 2/27 × 2 = 56/54 - Subtract the two like fractions:
84/54 - 56/54 = 84 - 56/54 = 28/54 - After reducing the fraction, the answer is 14/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-28/27 28/18-56/27 28/36-28/27 28/18-28/54 84/18-28/27 28/18-84/27 28/54-28/27 28/18-28/81 28/90-28/27