Question

Calcule:
2/3:4/5+1/2

Answer 1

$\frac{2/3}{4/5} = \frac{2}{3} . \frac{5}{4} = \frac{10}{12} = \frac{5}{6}$ $= \frac{5}{6} + \frac{1}{2} = \frac{5.1 + 1.3}{6} = \frac{8}{6} = \frac{4}{3}$

Espero que tenha entendido só com a conta =)