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

$\dfrac{19}{12}+\dfrac{16}{12}$ =

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

$\dfrac{2}{22}+\dfrac{5}{44}$ =

$6-\dfrac{134}{21}$ =

$\dfrac{1}{2}-\dfrac{16}{14}$ =

$\dfrac{5}{4}+\dfrac{-24}{28}$ =

$\dfrac{7}{11}+\dfrac{5}{2}$ =

$\dfrac{-11}{18}+1$ =

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