Subtract 4/20 from 28/3
1st number: 9 1/3, 2nd number: 4/20
28/3 - 4/20 is 137/15.
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,
28/3 = 28 × 20/3 × 20 = 560/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Subtract the two like fractions:
560/60 - 12/60 = 560 - 12/60 = 548/60 - After reducing the fraction, the answer is 137/15
- In mixed form: 92/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-4/20 28/3-8/20 28/6-4/20 28/3-4/40 84/3-4/20 28/3-12/20 28/9-4/20 28/3-4/60 28/15-4/20 28/3-28/20 28/21-4/20