$\dfrac{7}{26}\times 5$ =

$13 \times\dfrac{-9}{39}$ =

$\dfrac{3}{10}\times\dfrac{15}{19}$ =

$\dfrac{17}{7}\times\dfrac{2}{5}$ =

$\dfrac{7}{15}\times\dfrac{25}{22}$ =

$\dfrac{6}{4}\times\dfrac{13}{11}$ =

$\dfrac{5}{2}\times\dfrac{11}{14}$ =

$\dfrac{-3}{19}\times\dfrac{-3}{2}$ =

$\dfrac{3}{2}\times\dfrac{7}{19}$ =

$20 \times\dfrac{10}{40}$ =