$\dfrac{15}{9}\times\dfrac{7}{11}$ =

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

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

$-4 \times\dfrac{23}{46}$ =

$10 \times\dfrac{4}{20}$ =

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

$\dfrac{3}{7}\times\dfrac{33}{7}$ =

$\dfrac{4}{14}\times\dfrac{4}{11}$ =

$\dfrac{5}{34}\times 7$ =

$\dfrac{15}{11}\times\dfrac{6}{21}$ =