$\dfrac{3}{4}\times\dfrac{13}{9}$ =

$\dfrac{3}{15}\times\dfrac{23}{12}$ =

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

$\dfrac{2}{-11}\times\dfrac{17}{-5}$ =

$2 \times\dfrac{4}{4}$ =

$\dfrac{3}{5}\times\dfrac{3}{10}$ =

$\dfrac{25}{3}\times\dfrac{11}{15}$ =

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

$10 \times\dfrac{19}{-38}$ =

$\dfrac{3}{38}\times 5$ =