$\dfrac{23}{5}\times\dfrac{5}{10}$ =

$11 \times\dfrac{14}{-77}$ =

$\dfrac{9}{6}\times\dfrac{5}{14}$ =

$\dfrac{2}{3}\times\dfrac{17}{13}$ =

$\dfrac{5}{23}\times\dfrac{5}{2}$ =

$\dfrac{7}{10}\times\dfrac{14}{9}$ =

$\dfrac{1}{46}\times 19$ =

$\dfrac{11}{3}\times\dfrac{8}{21}$ =

$\dfrac{-7}{5}\times\dfrac{-3}{2}$ =

$6 \times\dfrac{11}{33}$ =