Exercise algebra.manipulation.rational.simplify

Description
simplify a rational expression (with a variable in a divisor)

Derivation

4*a+3/(2*a)

⇒ algebra.equations.rational.to-rational

8*a^2/(2*a)+3/(2*a)

⇒ algebra.equations.rational.rational-plus

(8*a^2+3)/(2*a)