Answer
$\frac{13}{18}\lt\frac{5}{6}$
Work Step by Step
We can rewrite $\frac{5}{6}=\frac{5\times3}{6\times3}=\frac{15}{18}$.
$\frac{15}{18}$ is greater than $\frac{13}{18}$, because its numerator is greatest while both denominators are the same
Therefore, $\frac{13}{18}\lt\frac{5}{6}$.