Question

Qual é o calculo de 2/5+1/3-0,5?

Answer 1

$\frac{2}{5} + \frac{1}{3} - 0,5 = \\ \\ \frac{2}{5} + \frac{1}{3} - \frac{1}{2} = \\ \\ \frac{12 + 10 - 15}{30} = \\ \\ \frac{22 - 15}{30} = \\ \\ \red{\frac{7}{30}}$