Question

0,25 x 0,4 + 2/5 - 3/8 x (-2)

Answer 1

$\frac{25}{100} . \frac{4}{10} + \frac{2}{5} - \frac{3}{8} . (-2)$

$\frac{100}{1000} + \frac{2}{5} - \frac{6}{8}$

$\frac{1}{10} + \frac{2}{5} - \frac{6}{8}$

$\frac{4+16-30}{40}$

$\frac{-10}{40}$

$\frac{-1}{4}$

ou -0,25