belts breaking

[peye]

2006 42 in. deck belts keep breaking. i have right belt no. but seems to long. thank u for any help
:confused2:

 

[Ifixdit]

2006 42 in. deck belts keep breaking. i have right belt no. but seems to long. thank u for any help
:confused2:

Can you provide the model number of the mower?