Question

1/12 + 1/30 + 1/40 =?
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Answer 1

Answer:

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Answer 2

$= > \frac{1}{12} + \frac{1}{30} + \frac{1}{40} \\ \\ = > \frac{(10 \times 1) + (4 \times 1) + (3 \times 1)}{120} \\ \\ = > \frac{10 + 4 + 3}{120} \\ \\ = > \frac{17}{120}$

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