Add 1/9 and 28/80
1/9 + 28/80 is 83/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
1/9 = 1 × 80/9 × 80 = 80/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720 - Add the two like fractions:
80/720 + 252/720 = 80 + 252/720 = 332/720 - 332/720 simplified gives 83/180
- So, 1/9 + 28/80 = 83/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9+28/80 1/9+56/80 1/18+28/80 3/9+28/80 1/9+84/80 1/27+28/80 5/9+28/80 1/45+28/80 7/9+28/80 1/63+28/80