Subtract 25/20 from 28/5
1st number: 5 3/5, 2nd number: 1 5/20
28/5 - 25/20 is 87/20.
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,
28/5 = 28 × 4/5 × 4 = 112/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
25/20 = 25 × 1/20 × 1 = 25/20 - Subtract the two like fractions:
112/20 - 25/20 = 112 - 25/20 = 87/20 - In mixed form: 47/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5-25/20 28/5-50/20 28/10-25/20 28/5-25/40 84/5-25/20 28/5-75/20 28/15-25/20 28/5-25/60 28/25-25/20 28/35-25/20