Question:
What simplified common fraction is equivalent to $0.0\overline{57}$?

Answer:
To express the number $0.0\overline{57}$ as a fraction, we call it $x$ and subtract it from $100x$: $$\begin{array}{r r c r@{}l}
&100x &=& 5&.7575757\ldots \\
- &x &=& 0&.0575757\ldots \\
\hline
&99x &=& 5&.7
\end{array}$$ This shows that $0.0\overline{57} = \frac{5.7}{99} = \frac{57}{990} = \boxed{\frac{19}{330}}$.