Add 15/2 and 28/36
1st number: 7 1/2, 2nd number: 28/36
15/2 + 28/36 is 149/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
15/2 = 15 × 18/2 × 18 = 270/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
28/36 = 28 × 1/36 × 1 = 28/36 - Add the two like fractions:
270/36 + 28/36 = 270 + 28/36 = 298/36 - 298/36 simplified gives 149/18
- So, 15/2 + 28/36 = 149/18
In mixed form: 85/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+28/36 15/2+56/36 15/4+28/36 15/2+28/72 45/2+28/36 15/2+84/36 15/6+28/36 75/2+28/36 15/10+28/36 15/14+28/36