My belt on my mower fell off how do I get it back on?

Question:the belt that drives the blades on my lawn tractor fell off how do I get it back on. and is it easy or should I call for someone to service it?

Answers:
generaly there is a tension spring and ajustment. depending on the age of the belt it is most likely stretched out and now to long, ist go buy a new belt. remove old belt replace with new one,
if you are not good a repairing things, find a local shop that works on mowers, they will have new belt and not charge too much to put it on...