Question

Calcule a fraçoes 1/8+1/5

Answer 1

$\LARGE\tt{} \dfrac{1}{8} + \dfrac{1}{5} \\ \\ \LARGE\tt{} \dfrac{1 \times 5}{8 \times 5} + \dfrac{1 \times 8}{5 \times 8} \\ \\ \LARGE\tt{} \dfrac{5}{40} + \dfrac{8}{40} \\ \\\LARGE\tt{} \dfrac{5 + 8}{40} \\ \\ \LARGE\tt{} \boxed{ \dfrac{13}{40} }$

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