Add 15/18 and 50/80
15/18 + 50/80 is 35/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
15/18 = 15 × 40/18 × 40 = 600/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
50/80 = 50 × 9/80 × 9 = 450/720 - Add the two like fractions:
600/720 + 450/720 = 600 + 450/720 = 1050/720 - 1050/720 simplified gives 35/24
- So, 15/18 + 50/80 = 35/24
In mixed form: 111/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+50/80 15/36+50/80 45/18+50/80 15/54+50/80 75/18+50/80 15/90+50/80