$\dfrac{2}{8}+\dfrac{3}{8}$ =

$\dfrac{-3}{9}+\dfrac{-37}{9}$ =

$\dfrac{4}{7}-\dfrac{18}{35}$ =

$\dfrac{1}{12}+\dfrac{9}{24}$ =

$\dfrac{-1}{44}+\dfrac{4}{22}$ =

$\dfrac{-43}{2}+5$ =

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

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

$\dfrac{-19}{15}+\dfrac{6}{3}$ =

$2-\dfrac{17}{12}$ =