Subtract 8/16 from 10/5
1st number: 2 0/5, 2nd number: 8/16
10/5 - 8/16 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
10/5 = 10 × 16/5 × 16 = 160/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
8/16 = 8 × 5/16 × 5 = 40/80 - Subtract the two like fractions:
160/80 - 40/80 = 160 - 40/80 = 120/80 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-8/16 10/5-8/32 30/5-8/16 10/5-24/16 10/15-8/16 10/5-8/48 50/5-8/16 10/5-40/16 10/25-8/16 10/5-8/80 70/5-8/16 10/5-56/16 10/35-8/16