Joe and JoAnn each bought 12 ounces of coffee in a 16-ounce  cup. Joe drank 2 ounces  of his coffee and then added 2 ounces  of cream. JoAnn added 2 ounces  of cream, stirred the coffee well, and then drank 2 ounces. What is the resulting ratio of the amount of cream in Joe's coffee to that in JoAnn's coffee? Express your answer as a fraction.The answer is in the form rac{m}{n}, where gcd(m, n) = 1. Please provide the value of m + n.

Let's think step by step and output the final answer within \boxed{}.
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