Add 80/9 and 80/90
1st number: 8 8/9, 2nd number: 80/90
80/9 + 80/90 is 88/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
80/9 = 80 × 10/9 × 10 = 800/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
800/90 + 80/90 = 800 + 80/90 = 880/90 - 880/90 simplified gives 88/9
- So, 80/9 + 80/90 = 88/9
In mixed form: 97/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+80/90 80/27+80/90 80/45+80/90 80/63+80/90