Answer
$0.9\overline{9}=1$
Work Step by Step
We have given $0.3\overline{3}=\dfrac{1}{3}$ and $0.6\overline{6}=\dfrac{2}{3}$.
Adding both will give $0.3\overline{3}+0.6\overline{6}=\dfrac{1}{3}+\dfrac{2}{3}$.
Now simplify to get $0.9\overline{9}$.
We get, $0.9\overline{9}=\dfrac{3}{3}=1$
