Add 18/8 and 15/36
1st number: 2 2/8, 2nd number: 15/36
18/8 + 15/36 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
15/36 = 15 × 2/36 × 2 = 30/72 - Add the two like fractions:
162/72 + 30/72 = 162 + 30/72 = 192/72 - 192/72 simplified gives 8/3
- So, 18/8 + 15/36 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+15/36 18/8+30/36 18/16+15/36 18/8+15/72 54/8+15/36 18/8+45/36 18/24+15/36 90/8+15/36 18/8+75/36 18/40+15/36 18/56+15/36