The problem:Express as a fraction: $\displaystyle \\2.\overline{011}$

The attempt:$\displaystyle \[2 + \frac{0}{10} + \frac{1}{10^2} + \frac{1}{10^3} + \frac{0}{10^4} + ...\]$

Then I'm stuck here because I don't know how to express it as a series. Any help is appreciated, thanks