$6-\dfrac{249}{44}$ =

$\dfrac{3}{2}\times\dfrac{13}{20}$ =

$\dfrac{2}{\dfrac{15}{23}}$ =

$\dfrac{7}{9}+\dfrac{2}{5}$ =

$\dfrac{3}{28}\times 5$ =

$\dfrac{7}{44}\div\dfrac{2}{5}$ =

$\dfrac{1}{2}+\dfrac{4}{22}$ =

$\dfrac{-5}{20}+\dfrac{6}{10}$ =

$\dfrac{10}{4}\times\dfrac{7}{17}$ =

$\dfrac{17}{10}\times\dfrac{5}{12}$ =

$\dfrac{7}{6}\div\dfrac{10}{7}$ =

$\dfrac{-23}{45}+1$ =

$\dfrac{5}{2}+\dfrac{3}{11}$ =

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

$\dfrac{5}{21}\times\dfrac{15}{6}$ =

$\dfrac{4}{7}-\dfrac{4}{35}$ =

$\dfrac{2}{2}-\dfrac{19}{14}$ =

$\dfrac{\dfrac{77}{2}}{15}$ =

$\dfrac{11}{3}\times\dfrac{5}{9}$ =

$\dfrac{\dfrac{3}{5}}{\dfrac{2}{11}}$ =