Subtract 15/16 from 20/10
1st number: 2 0/10, 2nd number: 15/16
20/10 - 15/16 is 17/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
20/10 = 20 × 8/10 × 8 = 160/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Subtract the two like fractions:
160/80 - 75/80 = 160 - 75/80 = 85/80 - After reducing the fraction, the answer is 17/16
- In mixed form: 11/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-15/16 20/10-30/16 20/10-15/32 60/10-15/16 20/10-45/16 20/30-15/16 20/10-15/48 20/10-75/16 20/50-15/16 20/10-15/80 20/70-15/16