Let $$x =0.\overline{001}$$ be the first equation
   $$1000x = 1000 \times 0.\overline001$$
          = $$1.\overline{001}$$
Let $$1000x = 1.\overline{001}$$ be second equation
Subtracting equation 1 from 2
$$999x = 1$$
$$ x = \frac{1}{999}$$Â
         Â
Create a FREE account and get: