Subtract 9/5 from 3/15
1st number: 3/15, 2nd number: 1 4/5
3/15 - 9/5 is -8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
3/15 = 3 × 1/15 × 1 = 3/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
9/5 = 9 × 3/5 × 3 = 27/15 - Subtract the two like fractions:
3/15 - 27/15 = 3 - 27/15 = -24/15 - After reducing the fraction, the answer is -8/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-9/5 3/15-18/5 3/30-9/5 3/15-9/10 9/15-9/5 3/15-27/5 3/45-9/5 3/15-9/15 3/15-45/5 3/75-9/5 3/15-9/25 21/15-9/5 3/15-63/5 3/15-9/35