Question

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Answer 1

Step-by-step explanation:

8/15 + 2/5 = 5x8 + 2x15 / 15 x 5

= 40 + 30 / 75

= 70/75

8/15 + 2/5 = 14/15

Answer 2

Answer:

$\frac{8}{15} + \frac{2}{5} \\ \frac{8}{15} \: + \: \frac{2 \times 3}{5 \times 3} = \frac{6}{15} \\ \\ \frac{8 + 6}{15} = \frac{14}{15}$