The odds of picking a single card out of 52 is:
1/52
The odds of picking an Ace is:
4/52 (since there are 4 aces in a single deck)
The odds of picking an ace or a king is:
8/52 (since there are 4 aces and 4 kings in a single deck, 4+4=8_
8/52 can be simplified to 2/13
Answer=2/13
