Subtract 10/9 from 15/5
1st number: 3 0/5, 2nd number: 1 1/9
15/5 - 10/9 is 17/9.
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,
15/5 = 15 × 9/5 × 9 = 135/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
10/9 = 10 × 5/9 × 5 = 50/45 - Subtract the two like fractions:
135/45 - 50/45 = 135 - 50/45 = 85/45 - After reducing the fraction, the answer is 17/9
- In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-10/9 15/5-20/9 15/10-10/9 15/5-10/18 45/5-10/9 15/5-30/9 15/5-10/27 75/5-10/9 15/5-50/9 15/25-10/9 15/5-10/45 15/5-70/9 15/35-10/9 15/5-10/63