$\dfrac{12}{24}+\dfrac{23}{24}$ =

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

$\dfrac{-16}{10}+\dfrac{5}{2}$ =

$\dfrac{-58}{15}+4$ =

$\dfrac{5}{3}+\dfrac{-3}{15}$ =

$\dfrac{-16}{45}+\dfrac{4}{9}$ =

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

$\dfrac{7}{3}+\dfrac{5}{8}$ =

$4-\dfrac{13}{7}$ =

$\dfrac{16}{15}+\dfrac{2}{5}$ =