Subtract 56/96 from 28/54, Solve 28/54

Subtract 56/96 from 28/54

28/54 - 56/96 is -7/108.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 96 is 864

Next, find the equivalent fraction of both fractional numbers with denominator 864
For the 1st fraction, since 54 × 16 = 864,
28/54 = 28 × 16/54 × 16 = 448/864
Likewise, for the 2nd fraction, since 96 × 9 = 864,
56/96 = 56 × 9/96 × 9 = 504/864
Subtract the two like fractions:
448/864 - 504/864 = 448 - 504/864 = -56/864
After reducing the fraction, the answer is -7/108

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad