Subtract 1/72 from 28/96
28/96 - 1/72 is 5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 72 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 72 × 4 = 288,
1/72 = 1 × 4/72 × 4 = 4/288 - Subtract the two like fractions:
84/288 - 4/288 = 84 - 4/288 = 80/288 - After reducing the fraction, the answer is 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/96-1/72 28/96-2/72 84/96-1/72 28/96-3/72 28/96-5/72 28/96-7/72