$\dfrac{13}{33}+\dfrac{-6}{33}$ =

$\dfrac{6}{60}+\dfrac{5}{60}$ =

$\dfrac{1}{8}+\dfrac{8}{24}$ =

$2+\dfrac{-53}{22}$ =

$\dfrac{1}{3}+\dfrac{2}{15}$ =

$\dfrac{6}{11}+\dfrac{7}{33}$ =

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

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

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

$\dfrac{7}{9}+\dfrac{2}{5}$ =