Subtract 16/20 from 8/5
1st number: 1 3/5, 2nd number: 16/20
8/5 - 16/20 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
8/5 = 8 × 4/5 × 4 = 32/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
16/20 = 16 × 1/20 × 1 = 16/20 - Subtract the two like fractions:
32/20 - 16/20 = 32 - 16/20 = 16/20 - After reducing the fraction, the answer is 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5-16/20 8/5-32/20 8/10-16/20 8/5-16/40 24/5-16/20 8/5-48/20 8/15-16/20 8/5-16/60 40/5-16/20 8/5-80/20 8/25-16/20 56/5-16/20 8/35-16/20