One card is drawn from a well-shuffled standard 52-card deck of playing cards.

Find the probability that the card is a King OR the card is red.

Half of 52 cards are red, half - black.

Out of 4 Kings 2 are red (hearts, diamonds) and 2 are black (spades, clubs).

Simplify final fraction from the following:

1/2

15/26

7/13

2/13