Subtract 28/3 from 20/4
1st number: 5 0/4, 2nd number: 9 1/3
20/4 - 28/3 is -13/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
20/4 = 20 × 3/4 × 3 = 60/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
28/3 = 28 × 4/3 × 4 = 112/12 - Subtract the two like fractions:
60/12 - 112/12 = 60 - 112/12 = -52/12 - After reducing the fraction, the answer is -13/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4-28/3 20/4-56/3 20/8-28/3 20/4-28/6 60/4-28/3 20/4-84/3 20/12-28/3 20/4-28/9 20/4-28/15 20/28-28/3 20/4-28/21