$\dfrac{-1}{45}+\dfrac{17}{45}$ =

$\dfrac{34}{21}+\dfrac{6}{21}$ =

$\dfrac{6}{10}+\dfrac{-5}{20}$ =

$\dfrac{-47}{16}+2$ =

$\dfrac{-1}{45}+\dfrac{3}{15}$ =

$\dfrac{-1}{28}+\dfrac{2}{14}$ =

$\dfrac{-8}{15}+\dfrac{4}{5}$ =

$\dfrac{11}{3}+\dfrac{5}{8}$ =

$\dfrac{-61}{25}+3$ =

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