$\dfrac{2}{4}+\dfrac{19}{4}$ =

$\dfrac{5}{12}-\dfrac{10}{12}$ =

$\dfrac{5}{15}-\dfrac{7}{45}$ =

$\dfrac{16}{18}+\dfrac{3}{6}$ =

$3+\dfrac{-93}{35}$ =

$\dfrac{-1}{10}+\dfrac{6}{5}$ =

$\dfrac{6}{22}+\dfrac{13}{44}$ =

$\dfrac{5}{7}+\dfrac{3}{4}$ =

$\dfrac{-143}{28}+6$ =

$\dfrac{11}{3}+\dfrac{5}{4}$ =