Add 15/18 and 80/4
1st number: 15/18, 2nd number: 20 0/4
15/18 + 80/4 is 125/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
15/18 = 15 × 2/18 × 2 = 30/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
80/4 = 80 × 9/4 × 9 = 720/36 - Add the two like fractions:
30/36 + 720/36 = 30 + 720/36 = 750/36 - 750/36 simplified gives 125/6
- So, 15/18 + 80/4 = 125/6
In mixed form: 205/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+80/4 15/36+80/4 15/18+80/8 45/18+80/4 15/54+80/4 15/18+80/12 75/18+80/4 15/90+80/4 15/18+80/20 15/18+80/28