Subtract 28/9 from 10/5
1st number: 2 0/5, 2nd number: 3 1/9
10/5 - 28/9 is -10/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
10/5 = 10 × 9/5 × 9 = 90/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Subtract the two like fractions:
90/45 - 140/45 = 90 - 140/45 = -50/45 - 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: 20/5-28/9 10/5-56/9 10/5-28/18 30/5-28/9 10/5-84/9 10/15-28/9 10/5-28/27 50/5-28/9 10/25-28/9 10/5-28/45 70/5-28/9 10/35-28/9 10/5-28/63