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