Subtract 28/5 from 2/4
1st number: 2/4, 2nd number: 5 3/5
2/4 - 28/5 is -51/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
2/4 = 2 × 5/4 × 5 = 10/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Subtract the two like fractions:
10/20 - 112/20 = 10 - 112/20 = -102/20 - After reducing the fraction, the answer is -51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-56/5 2/8-28/5 2/4-28/10 6/4-28/5 2/4-84/5 2/12-28/5 2/4-28/15 10/4-28/5 2/20-28/5 2/4-28/25 14/4-28/5 2/28-28/5 2/4-28/35