Subtract 20/15 from 2/10
1st number: 2/10, 2nd number: 1 5/15
2/10 - 20/15 is -17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
2/10 = 2 × 3/10 × 3 = 6/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Subtract the two like fractions:
6/30 - 40/30 = 6 - 40/30 = -34/30 - After reducing the fraction, the answer is -17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10-20/15 2/10-40/15 2/20-20/15 2/10-20/30 6/10-20/15 2/10-60/15 2/30-20/15 2/10-20/45 2/50-20/15 2/10-20/75 14/10-20/15 2/70-20/15