Question

calcule a media aritmética de 4 e 3/5 ?

Answer 1

$\frac{3}{5} + \frac{4}{1} = \frac{3 + 20}{5} = \frac{23}{5} \div \frac{2}{1} = \frac{23}{5} \times \frac{1}{2} = \frac{23}{10}$