Subtract 15/9 from 3/5
1st number: 3/5, 2nd number: 1 6/9
3/5 - 15/9 is -16/15.
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,
3/5 = 3 × 9/5 × 9 = 27/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
15/9 = 15 × 5/9 × 5 = 75/45 - Subtract the two like fractions:
27/45 - 75/45 = 27 - 75/45 = -48/45 - After reducing the fraction, the answer is -16/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-15/9 3/5-30/9 3/10-15/9 3/5-15/18 9/5-15/9 3/5-45/9 3/15-15/9 3/5-15/27 15/5-15/9 3/5-75/9 3/25-15/9 3/5-15/45 21/5-15/9 3/35-15/9 3/5-15/63