Subtract 28/5 from 2/20
1st number: 2/20, 2nd number: 5 3/5
2/20 - 28/5 is -11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
2/20 = 2 × 1/20 × 1 = 2/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Subtract the two like fractions:
2/20 - 112/20 = 2 - 112/20 = -110/20 - After reducing the fraction, the answer is -11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-28/5 2/20-56/5 2/40-28/5 2/20-28/10 6/20-28/5 2/20-84/5 2/60-28/5 2/20-28/15 10/20-28/5 2/20-28/25 14/20-28/5 2/20-28/35