Question

1 upon 12 + 1 upon 12 + 1 upon 24 + 1 upon 24

Answer 1

$\frac{1}{12} + \frac{1}{12} + \frac{1}{24} + \frac{1}{24} \\ = \frac{2 + 2 + 1 + 1}{24} \\ = \frac{6}{24} \\ = \frac{1}{4}$

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