u/Accomplished_Ease590

I have 4 debts . 3x of them have 18% interest rates 1x is 6k I owe a friend. How do I pay this off with minimal interest impact?

-18k at 505/month 18% interest
-5k at 220/month at 18% interest
-1400 at 35/monty at 18% interest

6k owed to friend no contract