$\dfrac{9}{9}+\dfrac{-4}{9}$ =

$\dfrac{7}{30}+\dfrac{4}{30}$ =

$\dfrac{3}{22}+\dfrac{39}{44}$ =

$\dfrac{-2}{15}+\dfrac{6}{3}$ =

$4+\dfrac{-20}{3}$ =

$\dfrac{1}{11}+\dfrac{33}{22}$ =

$\dfrac{3}{7}+\dfrac{11}{4}$ =

$\dfrac{7}{8}+\dfrac{11}{3}$ =

$\dfrac{4}{6}+\dfrac{-1}{12}$ =

$\dfrac{-189}{40}+5$ =