Question

5/4×(-4/9)+2×(+1/4)?

Answer 1

$\frac{5}{4} * \frac{-4}{9} + 2 * \frac{1}{4}$

$\frac{-20}{36} + \frac{2}{4}$

simplica por 4 e por 2

$\frac{-4}{9} + \frac{1}{2} = \frac{-10+9}{18} = \frac{-1}{18}$