$\dfrac{55}{9}-\dfrac{90}{9}$ =

$\dfrac{11}{16}+\dfrac{4}{16}$ =

$\dfrac{29}{18}+\dfrac{2}{6}$ =

$\dfrac{-101}{21}+6$ =

$\dfrac{5}{7}-\dfrac{23}{21}$ =

$\dfrac{20}{24}+\dfrac{5}{8}$ =

$\dfrac{11}{9}+\dfrac{5}{2}$ =

$\dfrac{7}{5}+\dfrac{3}{2}$ =

$\dfrac{6}{40}+\dfrac{3}{8}$ =

$\dfrac{-128}{35}+4$ =