Exercise algebra.manipulation.rational.simplify
Description
simplify a rational expression (with a variable in a divisor)
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
2/(a*b)+4/(3*a)
⇒ algebra.equations.rational.rational-scale6/(3*a*b)+4*b/(3*a*b)
⇒ algebra.equations.rational.rational-plus(6+4*b)/(3*a*b)