Subtract 16/20 from 12/5
1st number: 2 2/5, 2nd number: 16/20
12/5 - 16/20 is 8/5.
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,
12/5 = 12 × 4/5 × 4 = 48/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
16/20 = 16 × 1/20 × 1 = 16/20 - Subtract the two like fractions:
48/20 - 16/20 = 48 - 16/20 = 32/20 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5-16/20 12/5-32/20 12/10-16/20 12/5-16/40 36/5-16/20 12/5-48/20 12/15-16/20 12/5-16/60 60/5-16/20 12/5-80/20 12/25-16/20 84/5-16/20 12/35-16/20