$10 \times\dfrac{-15}{50}$ =

$\dfrac{15}{12}\times\dfrac{7}{6}$ =

$\dfrac{5}{28}\times 5$ =

$10 \times\dfrac{7}{35}$ =

$\dfrac{10}{7}\times\dfrac{10}{6}$ =

$\dfrac{9}{-7}\times\dfrac{-3}{2}$ =

$\dfrac{15}{11}\times\dfrac{2}{7}$ =

$\dfrac{13}{2}\times\dfrac{3}{16}$ =

$\dfrac{7}{3}\times\dfrac{2}{15}$ =

$\dfrac{23}{6}\times\dfrac{3}{7}$ =