[tex]\huge\mathtt\pink{ANSWER:}
[tex] \frac{7}{6} [/tex]
[tex]\huge\mathtt\pink{EXPLANATION:}[/tex]
Least common multiple of 9 and 18 is 18. Convert 5/9 and 11/18 to fractions with denominator 18.
[tex] \frac{10}{18} + \frac{11}{18} [/tex]
Since 10/18 and 11/18 have the same denominator, add them by adding their numerators.
[tex] \frac{10 + 11}{18} [/tex]
Add 10 and 11 to get 21.
[tex] \frac{21}{18} [/tex]
Reduce the fraction 21/18 to lowest terms by extracting and canceling out 3.
