Question

Média aritimética 1/5 e   2/6

Answer 1

$\dfrac{\dfrac{1}{5}+\dfrac{2}{6}}{2}=\dfrac{\dfrac{1}{5}+\dfrac{1}{3}}{2}=\dfrac{\dfrac{3}{15}+\dfrac{5}{15}}{2}=\dfrac{\frac{8}{15}}{2}=\dfrac{8}{15}\times\dfrac{1}{2}=\dfrac{4}{15}$