How to stack a frigidaire washer and dryer

I took the cover off of the washer and put the dryer (model# FSE446RHS2) on top but the holes don’t match up so I can’t see how to connect them. I can’t find good instructions or info anywhere. Does anyone know how to stack these? They are slightly smaller versions of the big washer/dryer sets you see in stores. Any info would be appreciated.

You need a stack kit (AP2150498) that comes with a new set of rear brackets and instructions.

Thank you! Your answer was just what I was looking for. My washer and dryer is now stacked!!

Glad I could help.