homework help anyone? :)

[Gene Fish]

i would appreciate any input big time [img]/images/graemlins/smile.gif[/img]

Let's work with a deck of 9 cards: denominations J, Q, and K, and suits Hearts, Diamonds, Spades. A hand of 3 cards is dealt at random.

What is the probability that the hand contains 2 cards from one denomination and 1 card from another?