|
\frac{1}{21}+\frac{5}{21}
|
\frac{2}{63}+\frac{1}{14}
|
\frac{2}{9}+\frac{5}{6}
|
\frac{2}{7}+\frac{1}{8}
|
\frac{4}{25}+\frac{2}{45}
|
|
\frac{1}{4}+\frac{1}{7}
|
\frac{5}{56}+\frac{1}{24}
|
\frac{9}{80}+\frac{7}{16}
|
\frac{8}{25}+\frac{2}{3}
|
\frac{3}{50}+\frac{2}{25}
|