$\dfrac{-68}{15}+6$ =

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

$\dfrac{\dfrac{13}{4}}{\dfrac{10}{3}}$ =

$\dfrac{-27}{10}+6$ =

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

$\dfrac{\dfrac{46}{3}}{7}$ =

$\dfrac{4}{5}-\dfrac{12}{35}$ =

$\dfrac{2}{12}+\dfrac{3}{4}$ =

$\dfrac{2}{3}\div\dfrac{13}{19}$ =

$\dfrac{15}{6}\times\dfrac{7}{33}$ =

$\dfrac{1}{\dfrac{70}{19}}$ =

$\dfrac{-17}{14}+\dfrac{4}{2}$ =

$\dfrac{17}{77}\times 2$ =

$\dfrac{11}{3}+\dfrac{5}{7}$ =

$\dfrac{9}{17}\div\dfrac{2}{3}$ =

$\dfrac{3}{7}\times\dfrac{6}{4}$ =

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

$\dfrac{5}{10}\times\dfrac{19}{17}$ =

$\dfrac{4}{20}+\dfrac{-17}{40}$ =

$\dfrac{2}{-3}\times\dfrac{28}{-13}$ =