Subtract 28/60 from 28/20
1st number: 1 8/20, 2nd number: 28/60
28/20 - 28/60 is 14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
28/60 = 28 × 1/60 × 1 = 28/60 - Subtract the two like fractions:
84/60 - 28/60 = 84 - 28/60 = 56/60 - After reducing the fraction, the answer is 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-28/60 28/20-56/60 28/40-28/60 84/20-28/60 28/20-84/60 28/60-28/60