The mathematics department of a college has 6 male​ professors, 12 female​ professors, 14 male teaching​ assistants, and 11 female

The mathematics department of a college has 6 male​ professors, 12 female​ professors, 14 male teaching​ assistants, and 11 female teaching assistants. If a person is selected at random from the​ group, find the probability that the selected person is a teaching assistant or a female.

The probability is ___. ​
(Type an integer or a fraction. Simplify your​ answer.)

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