Probability of getting 4 or 6 when rolling a dice

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Probability of getting 4 or 6 when rolling a dice

P(4 or 6) = P(4) + P(6)
P(4 or 6) = 1/6 + 1/6
P(4 or 6) = 2/6

We can simplify this. We type this fraction into our search engine, choose simplify, and we get:
P(4 or 6) = 1/3