$\dfrac{6}{8}+\dfrac{-27}{40}$ =

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

$\dfrac{15}{10}\times\dfrac{13}{19}$ =

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

$\dfrac{-2}{28}+\dfrac{1}{4}$ =

$\dfrac{11}{9}+\dfrac{2}{5}$ =

$\dfrac{3}{2}\div\dfrac{2}{33}$ =

$\dfrac{23}{2}\times\dfrac{1}{6}$ =

$\dfrac{5}{\dfrac{6}{5}}$ =

$\dfrac{7}{4}\times\dfrac{14}{17}$ =

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

$\dfrac{\dfrac{21}{11}}{8}$ =

$\dfrac{-59}{16}+4$ =

$\dfrac{-23}{10}+\dfrac{1}{5}$ =

$\dfrac{7}{4}\times\dfrac{14}{19}$ =

$\dfrac{3}{23}\times\dfrac{5}{2}$ =

$\dfrac{1}{4}+\dfrac{-22}{28}$ =

$\dfrac{23}{3}\div\dfrac{3}{2}$ =

$\dfrac{11}{7}+\dfrac{5}{4}$ =

$2-\dfrac{23}{10}$ =