Subtract 28/20 from 14/5
1st number: 2 4/5, 2nd number: 1 8/20
14/5 - 28/20 is 7/5.
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,
14/5 = 14 × 4/5 × 4 = 56/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
28/20 = 28 × 1/20 × 1 = 28/20 - Subtract the two like fractions:
56/20 - 28/20 = 56 - 28/20 = 28/20 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/5-28/20 14/5-56/20 14/10-28/20 14/5-28/40 42/5-28/20 14/5-84/20 14/15-28/20 14/5-28/60 70/5-28/20 14/25-28/20 98/5-28/20 14/35-28/20