Two cards are chosen at random from a standard 52-card deck. What is the probability that they are either both hearts or both diamonds?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Two cards are chosen at random from a standard 52-card deck. What is the probability that they are either both hearts or both diamonds?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{2}{17}
Two cards are chosen at random from a standard 52-card deck. What is the probability that they are either both hearts or both diamonds?
train