Subtract 28/20 from 80/3
1st number: 26 2/3, 2nd number: 1 8/20
80/3 - 28/20 is 379/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
80/3 = 80 × 20/3 × 20 = 1600/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Subtract the two like fractions:
1600/60 - 84/60 = 1600 - 84/60 = 1516/60 - After reducing the fraction, the answer is 379/15
- In mixed form: 254/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-56/20 80/6-28/20 80/3-28/40 80/3-84/20 80/9-28/20 80/3-28/60 80/15-28/20 80/21-28/20