Subtract 28/9 from 28/14
1st number: 2 0/14, 2nd number: 3 1/9
28/14 - 28/9 is -10/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 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 9 × 14 = 126,
28/9 = 28 × 14/9 × 14 = 392/126 - Subtract the two like fractions:
252/126 - 392/126 = 252 - 392/126 = -140/126 - After reducing the fraction, the answer is -10/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14-28/9 28/14-56/9 28/14-28/18 84/14-28/9 28/14-84/9 28/42-28/9 28/14-28/27 28/70-28/9 28/14-28/45 28/98-28/9 28/14-28/63