Exercise arithmetic.fractions.liberal
Description
simplify fractions liberally
Firsts
Rule simplify.enter Location [0] Term "Just (TCon arith1.plus [TCon arith1.divide [TNum 9,TNum 15],TCon arith1.divide [TNum 5,TNum 15]])" Focus "Just (TCon arith1.divide [TNum 9,TNum 15])" Environment