Subtract 4/9 from 28/96, Solve 28/96

Subtract 4/9 from 28/96

28/96 - 4/9 is -11/72.

Find the least common denominator or LCM of the two denominators:
LCM of 96 and 9 is 288

Next, find the equivalent fraction of both fractional numbers with denominator 288
For the 1st fraction, since 96 × 3 = 288,
28/96 = 28 × 3/96 × 3 = 84/288
Likewise, for the 2nd fraction, since 9 × 32 = 288,
4/9 = 4 × 32/9 × 32 = 128/288
Subtract the two like fractions:
84/288 - 128/288 = 84 - 128/288 = -44/288
After reducing the fraction, the answer is -11/72

MathStep (Works offline)

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