since your fist question has been answered I'll answer you second one
It wont fry but it wont work either. You have two options.
1) Buy a new power supply. just make sure you get the right connections and watts to run the PC. e.g 500W and a 24 pin M/B connection. the best way to do this if you don't know what I'm talking about is to bring the old Power supply in with you and ask for a 120v replacement
2) Get a power converter to boost the power