\frac{8}{-27}+\frac{22}{27}

\frac{7}{8}+\frac{-12}{-8}

\frac{1}{2}+\frac{-5}{-2}

\frac{-5}{4}+\frac{-6}{4}

\frac{22}{25}+\frac{20}{25}

\frac{-10}{9}+\frac{21}{9}

\frac{13}{-20}+\frac{-6}{20}

\frac{1}{4}+\frac{8}{-4}

\frac{7}{-25}+\frac{11}{-25}

\frac{-19}{90}+\frac{5}{90}

\frac{-1}{-5}+\frac{-13}{5}

\frac{-29}{60}+\frac{13}{60}

\frac{-9}{-20}+\frac{-26}{20}

\frac{-7}{-12}+\frac{-20}{12}

\frac{-2}{-15}+\frac{14}{-15}

\frac{-4}{45}+\frac{-6}{-45}

\frac{6}{-7}+\frac{-16}{-7}

\frac{1}{-2}+\frac{-28}{2}

\frac{19}{12}+\frac{13}{12}

\frac{-1}{10}+\frac{-17}{-10}

\frac{11}{-48}+\frac{-10}{-48}

\frac{2}{25}+\frac{-22}{-25}

\frac{7}{15}+\frac{-29}{15}

\frac{11}{35}+\frac{-13}{-35}

\frac{10}{-21}+\frac{-20}{21}

\frac{-9}{-8}+\frac{2}{8}

\frac{19}{-90}+\frac{18}{-90}

\frac{-5}{-36}+\frac{-25}{36}

\frac{5}{-6}+\frac{-30}{-6}

\frac{23}{-90}+\frac{-2}{90}