$\dfrac{5}{7}\times\dfrac{4}{14}$ =

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

$1+\dfrac{-23}{30}$ =

$\dfrac{1}{2}\times\dfrac{23}{25}$ =

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

$\dfrac{6}{14}-\dfrac{1}{28}$ =

$\dfrac{-3}{2}\times\dfrac{33}{-19}$ =

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

$\dfrac{2}{27}\times 17$ =

$\dfrac{4}{3}+\dfrac{-39}{33}$ =

$\dfrac{7}{10}\times\dfrac{21}{15}$ =

$1+\dfrac{-11}{21}$ =

$\dfrac{3}{7}+\dfrac{11}{2}$ =

$\dfrac{2}{7}\times\dfrac{23}{4}$ =

$\dfrac{\dfrac{77}{2}}{6}$ =

$\dfrac{3}{11}\div\dfrac{5}{12}$ =

$\dfrac{6}{5}+\dfrac{-34}{15}$ =

$\dfrac{2}{\dfrac{15}{17}}$ =

$\dfrac{-4}{35}+\dfrac{1}{5}$ =

$\dfrac{5}{13}\div\dfrac{3}{5}$ =