Subtract 15/18 from 28/24
1st number: 1 4/24, 2nd number: 15/18
28/24 - 15/18 is 1/3.
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,
15/18 = 15 × 4/18 × 4 = 60/72 - Subtract the two like fractions:
84/72 - 60/72 = 84 - 60/72 = 24/72 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/24-15/18 28/24-30/18 28/48-15/18 28/24-15/36 84/24-15/18 28/24-45/18 28/72-15/18 28/24-15/54 28/24-75/18 28/24-15/90