\frac{1}{14}+\frac{1}{18}

\frac{5}{81}+\frac{2}{9}

\frac{1}{2}+\frac{5}{24}

\frac{2}{15}+\frac{8}{35}

\frac{2}{9}+\frac{8}{15}

\frac{3}{10}+\frac{7}{24}

\frac{7}{81}+\frac{1}{15}

\frac{1}{7}+\frac{3}{14}

\frac{1}{3}+\frac{1}{12}

\frac{3}{20}+\frac{1}{6}

\frac{5}{16}+\frac{9}{4}

\frac{1}{7}+\frac{3}{7}

\frac{5}{8}+\frac{5}{9}

\frac{1}{2}+\frac{7}{40}

\frac{1}{10}+\frac{7}{20}

\frac{5}{81}+\frac{1}{21}

\frac{3}{20}+\frac{2}{5}

\frac{2}{11}+\frac{1}{4}

\frac{7}{80}+\frac{7}{40}

\frac{1}{7}+\frac{8}{9}