Question

Calcule: a) 2/5.-2/3 b) (-4) .-3/11

Answer 1

$a) \frac{2}{5} - \frac{2}{3} \\ \\ \frac{6 - 10}{15} \\ \\ \frac{ - 4}{15}$

$- \frac{4}{15}$

$b)( - 4) - \frac{3}{11} \\ \\ - 4 - \frac{3}{11} \\ \\ - \frac{47}{11}$