Subtract 56/54 from 28/7
1st number: 4 0/7, 2nd number: 1 2/54
28/7 - 56/54 is 80/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
28/7 = 28 × 54/7 × 54 = 1512/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378 - Subtract the two like fractions:
1512/378 - 392/378 = 1512 - 392/378 = 1120/378 - After reducing the fraction, the answer is 80/27
- In mixed form: 226/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7-56/54 28/14-56/54 84/7-56/54 28/21-56/54 28/35-56/54 28/49-56/54