Equivalent Fractions

http://www.sheppardsoftware.com/mathgames/fractions/reduce_fractions_shoot.htm

 

 

 Reducing Fractions

http://www.sheppardsoftware.com/mathgames/fractions/mathman_reduce_fractions.htm

 

http://www.arcademics.com/games/dirt-bike-proportions/dirt-bike-proportions.html