Subtract 6/3 from 28/54
1st number: 28/54, 2nd number: 2 0/3
28/54 - 6/3 is -40/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
28/54 = 28 × 1/54 × 1 = 28/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
6/3 = 6 × 18/3 × 18 = 108/54 - Subtract the two like fractions:
28/54 - 108/54 = 28 - 108/54 = -80/54 - After reducing the fraction, the answer is -40/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54-6/3 28/54-12/3 84/54-6/3 28/54-18/3 28/54-6/9 28/54-30/3 28/54-6/15 28/54-42/3 28/54-6/21