Question

(1/3+1/9) . (5/4-3/4)

Answer 1

$\frac{1}{3} + \frac{1}{9} \times ( \frac{5}{4} - \frac{3}{4} ) = \\ \\ \frac{4}{9} \times \frac{2}{4} = \frac{8}{36} .$