Add 15/36 and 28/8
1st number: 15/36, 2nd number: 3 4/8
15/36 + 28/8 is 47/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
15/36 = 15 × 2/36 × 2 = 30/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
28/8 = 28 × 9/8 × 9 = 252/72 - Add the two like fractions:
30/72 + 252/72 = 30 + 252/72 = 282/72 - 282/72 simplified gives 47/12
- So, 15/36 + 28/8 = 47/12
In mixed form: 311/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+28/8 15/36+56/8 15/72+28/8 15/36+28/16 45/36+28/8 15/36+84/8 15/36+28/24 75/36+28/8 15/36+28/40 15/36+28/56