Subtract 28/14 from 10/18
1st number: 10/18, 2nd number: 2 0/14
10/18 - 28/14 is -13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
28/14 = 28 × 9/14 × 9 = 252/126 - Subtract the two like fractions:
70/126 - 252/126 = 70 - 252/126 = -182/126 - After reducing the fraction, the answer is -13/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-28/14 10/18-56/14 10/36-28/14 30/18-28/14 10/18-84/14 10/54-28/14 10/18-28/42 50/18-28/14 10/90-28/14 10/18-28/70 70/18-28/14 10/18-28/98