Question

A média aritmética de 2/5 e 4/5 é?
Com contas por favor

Answer 1

$\overline{m}=\dfrac{\dfrac{2}{5}+\dfrac{4}{5}}{2}=\dfrac{1}{2}.\dfrac{6}{5}=\dfrac{6}{10}$

$\boxed{\boxed{\mathsf{\overline{m}=\dfrac{3}{5}}}}$