Question

$2 \frac{1}{3} + 1 - \frac{1}{2} sobre \frac{2}{5}$

Answer 1

$\frac{7}{3}+1 - \frac{1}{2} . \frac{5}{2} = \frac{7}{3}+1- \frac{5}{4} = \frac{28+12-15}{12} =\boxed{\boxed { \frac{25}{12} }}$