Can 2 out of 13 * 5 out of 11 + 5 out of 13 * 9 out of 11 be simplified?

tolerable.
This formula can be transformed into: 5 / 13 * 2 / 11 + 5 / 13 * 9 / 11
This is convenient to calculate
Next, we use the inverse process of distribution rate, which is equal to: 5 out of 13 * (2 out of 11 + 9 out of 11)
The final simplification is: 5 / 13 * 1
The final answer is: 5 out of 13

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