Subtract 5/10 from 3/15
3/15 - 5/10 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
3/15 = 3 × 2/15 × 2 = 6/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
5/10 = 5 × 3/10 × 3 = 15/30 - Subtract the two like fractions:
6/30 - 15/30 = 6 - 15/30 = -9/30 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-5/10 3/30-5/10 3/15-5/20 9/15-5/10 3/15-15/10 3/45-5/10 3/15-5/30 3/15-25/10 3/75-5/10 3/15-5/50 21/15-5/10 3/15-35/10 3/15-5/70