\frac{23}{90}+\frac{-6}{90}

\frac{-17}{63}+\frac{-7}{-63}

\frac{1}{-14}+\frac{-6}{-14}

\frac{-17}{45}+\frac{-17}{45}

\frac{15}{8}+\frac{-27}{-8}

\frac{-1}{-2}+\frac{-16}{-2}

\frac{13}{-42}+\frac{-19}{-42}

\frac{3}{-10}+\frac{-30}{-10}

\frac{5}{-12}+\frac{10}{-12}

\frac{17}{80}+\frac{-19}{-80}

\frac{-4}{25}+\frac{-25}{25}

\frac{-7}{-4}+\frac{-8}{4}

\frac{-11}{-20}+\frac{-29}{-20}

\frac{-25}{54}+\frac{20}{54}

\frac{2}{-15}+\frac{26}{15}

\frac{-7}{72}+\frac{-23}{72}

\frac{-15}{8}+\frac{6}{-8}

\frac{14}{-25}+\frac{-17}{25}

\frac{-11}{-35}+\frac{15}{-35}

\frac{11}{14}+\frac{17}{14}

\frac{23}{-90}+\frac{29}{90}

\frac{22}{27}+\frac{30}{-27}

\frac{1}{-10}+\frac{-26}{-10}

\frac{19}{9}+\frac{22}{9}

\frac{7}{30}+\frac{25}{-30}

\frac{-2}{5}+\frac{-17}{-5}

\frac{15}{-14}+\frac{25}{-14}

\frac{-4}{5}+\frac{-19}{-5}

\frac{-7}{-90}+\frac{-3}{-90}

\frac{-11}{-20}+\frac{-26}{-20}