Just multiply: -0.0588235294117647*100 = -100/17. [The calculator on the home page will produce a fraction for you, too -- Cool, isn't it?]
Why did you multiply by 100 Aziz?
This is from the home page calculator.
$$-{\mathtt{0.058\: \!823\: \!529\: \!411\: \!764\: \!7}} = {\mathtt{\,-\,}}{\frac{{\mathtt{1}}}{{\mathtt{17}}}}$$
Ahh, I have no idea why I did that...I guess I was trying to find a different way with 100s.
I think I'm going crazy. :p