Exercise arithmetic.fractions.liberal
Description
simplify fractions liberally
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
9/6+2/3
⇒ algebra.manipulation.simpler-fraction3/2+2/3
⇒ algebra.manipulation.fraction-plus-scale9/6+2/3
⇒ algebra.manipulation.fraction-plus-scale9/6+4/6
⇒ algebra.manipulation.fraction-plus13/6