$\dfrac{5}{13}\times\dfrac{15}{6}$ =

$\dfrac{7}{20}\times\dfrac{7}{2}$ =

$\dfrac{2}{5}+\dfrac{8}{35}$ =

$\dfrac{-251}{40}+6$ =

$\dfrac{3}{20}\times\dfrac{21}{2}$ =

$\dfrac{5}{\dfrac{26}{3}}$ =

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

$\dfrac{\dfrac{39}{7}}{2}$ =

$\dfrac{-3}{10}\times\dfrac{3}{-4}$ =

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

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

$\dfrac{13}{42}\times 1$ =

$\dfrac{3}{22}\div\dfrac{2}{5}$ =

$\dfrac{17}{4}+4$ =

$\dfrac{-8}{45}+\dfrac{5}{15}$ =

$\dfrac{3}{6}\times\dfrac{9}{17}$ =

$\dfrac{7}{6}\div\dfrac{11}{7}$ =

$\dfrac{21}{5}\times\dfrac{11}{6}$ =

$\dfrac{5}{20}+\dfrac{2}{10}$ =

$\dfrac{2}{9}+\dfrac{3}{18}$ =