Add 28/18 and 15/24
1st number: 1 10/18, 2nd number: 15/24
28/18 + 15/24 is 157/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
28/18 = 28 × 4/18 × 4 = 112/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
15/24 = 15 × 3/24 × 3 = 45/72 - Add the two like fractions:
112/72 + 45/72 = 112 + 45/72 = 157/72 - So, 28/18 + 15/24 = 157/72
In mixed form: 213/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+15/24 28/18+30/24 28/36+15/24 28/18+15/48 84/18+15/24 28/18+45/24 28/54+15/24 28/18+15/72 28/18+75/24 28/90+15/24