\frac{5}{-3}+\frac{13}{-3}

\frac{25}{72}+\frac{-20}{-72}

\frac{2}{27}+\frac{23}{-27}

\frac{7}{9}+\frac{15}{9}

\frac{1}{4}+\frac{-6}{-4}

\frac{-5}{3}+\frac{-22}{-3}

\frac{-7}{-15}+\frac{12}{-15}

\frac{8}{-21}+\frac{14}{-21}

\frac{3}{7}+\frac{-16}{7}

\frac{-4}{-81}+\frac{-18}{81}

\frac{-7}{-48}+\frac{-19}{-48}

\frac{-28}{27}+\frac{-10}{27}

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

\frac{14}{45}+\frac{20}{-45}

\frac{7}{15}+\frac{-6}{15}

\frac{23}{14}+\frac{-20}{14}

\frac{4}{27}+\frac{14}{-27}

\frac{-29}{-100}+\frac{-4}{-100}

\frac{1}{24}+\frac{15}{24}

\frac{26}{21}+\frac{-10}{-21}

\frac{-3}{-10}+\frac{-4}{10}

\frac{-7}{-8}+\frac{11}{-8}

\frac{-1}{10}+\frac{-16}{-10}

\frac{-13}{-40}+\frac{19}{-40}

\frac{-13}{18}+\frac{-10}{-18}

\frac{15}{-32}+\frac{-12}{-32}

\frac{-13}{20}+\frac{-18}{-20}

\frac{-9}{25}+\frac{-27}{25}

\frac{-1}{17}+\frac{-11}{17}

\frac{-1}{27}+\frac{11}{27}