$\dfrac{4}{4}-\dfrac{61}{28}$ =

$\dfrac{17}{3}\div\dfrac{13}{2}$ =

$3+\dfrac{-169}{60}$ =

$\dfrac{6}{15}+\dfrac{10}{45}$ =

$\dfrac{28}{40}+\dfrac{1}{8}$ =

$\dfrac{6}{15}\times\dfrac{3}{11}$ =

$\dfrac{5}{8}+\dfrac{11}{3}$ =

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

$\dfrac{3}{2}\times\dfrac{13}{7}$ =

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

$\dfrac{-25}{15}+\dfrac{1}{5}$ =

$\dfrac{9}{\dfrac{14}{3}}$ =

$\dfrac{\dfrac{2}{3}}{\dfrac{7}{19}}$ =

$\dfrac{15}{10}\times\dfrac{5}{17}$ =

$1+\dfrac{-11}{16}$ =

$\dfrac{1}{3}\times\dfrac{19}{10}$ =

$\dfrac{\dfrac{9}{28}}{2}$ =

$\dfrac{23}{10}\times\dfrac{5}{15}$ =

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

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