Subtract 1/18 from 28/24
1st number: 1 4/24, 2nd number: 1/18
28/24 - 1/18 is 10/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
28/24 = 28 × 3/24 × 3 = 84/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
1/18 = 1 × 4/18 × 4 = 4/72 - Subtract the two like fractions:
84/72 - 4/72 = 84 - 4/72 = 80/72 - After reducing the fraction, the answer is 10/9
- In mixed form: 11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-1/18 28/24-2/18 28/48-1/18 28/24-1/36 84/24-1/18 28/24-3/18 28/72-1/18 28/24-1/54 28/24-5/18 28/24-1/90 28/24-7/18