Add 80/36 and 15/18
1st number: 2 8/36, 2nd number: 15/18
80/36 + 15/18 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
80/36 = 80 × 1/36 × 1 = 80/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
15/18 = 15 × 2/18 × 2 = 30/36 - Add the two like fractions:
80/36 + 30/36 = 80 + 30/36 = 110/36 - 110/36 simplified gives 55/18
- So, 80/36 + 15/18 = 55/18
In mixed form: 31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36+30/18 80/72+15/18 80/36+15/36 80/36+45/18 80/36+15/54 80/36+75/18 80/36+15/90