The card game of Euchre employs a deck that consists of all four of each of the aces, kings, queens, jacks, tens, and nines (one of each suit—clubs, diamonds, spades, and hearts). (a) Find the probability that a randomly selected card from a Euchre deck is a jack (J). (Enter the fraction without reduction on the left hand side of "=" symbol and the final answer on the right hand side reduced to the lowest possible fraction.) (b) Find the probability that a randomly selected card from a Euchre deck is a spade (S). (Enter the fraction without reduction on the left hand side of "=" symbol and the final answer on the right hand side reduced to the lowest possible fraction.)