First you would had 8 and 8, you would get 16. So you put the 6 at the bottom and carry your 1 to the top. Next you would had the 1 that you received before to 4 and 1, you would get 6. You put your 6 at the bottom. Then you would add your 5 and 6, and get 11. You put your 1 at the bottom and carry your other 1 to the top. Then for last you would add that 4 and 1 and get 5. Your answer would be, 5,166.
4518
+ 648
-----------
5166
