Subtract 5/18 from 28/14
1st number: 2 0/14, 2nd number: 5/18
28/14 - 5/18 is 31/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
28/14 = 28 × 9/14 × 9 = 252/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
5/18 = 5 × 7/18 × 7 = 35/126 - Subtract the two like fractions:
252/126 - 35/126 = 252 - 35/126 = 217/126 - After reducing the fraction, the answer is 31/18
- In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-5/18 28/14-10/18 28/14-5/36 84/14-5/18 28/14-15/18 28/42-5/18 28/14-5/54 28/14-25/18 28/70-5/18 28/14-5/90 28/14-35/18 28/98-5/18