$\dfrac{4}{6}+\dfrac{7}{6}$ =

$\dfrac{2}{20}+\dfrac{1}{20}$ =

$\dfrac{3}{10}+\dfrac{5}{20}$ =

$3-\dfrac{5}{4}$ =

$\dfrac{-37}{28}+\dfrac{6}{14}$ =

$\dfrac{-31}{35}+\dfrac{6}{5}$ =

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

$\dfrac{3}{8}+\dfrac{16}{24}$ =

$\dfrac{11}{5}+\dfrac{3}{7}$ =

$2+\dfrac{-67}{44}$ =