# RATL 2 | Lesson 3 | Practice (Dividing Rational Expressions)

Work the following problems using your rules from above.

a) $$\Large \frac{10r+100}{4}\div{\frac{10r+100}{4r^2}}$$

b) $$\Large \frac{x^2}{1+x}\div{\frac{x}{x^2-1}}$$