GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude> :load "Fraction.hs"
[1 of 1] Compiling Fraction         ( Fraction.hs, interpreted )
Ok, modules loaded: Fraction.
*Fraction> (3 :/ 4)
3/4
*Fraction> mkFraction 3 4
3/4
*Fraction> :q
Leaving GHCi.

Process haskell finished