\[\boxed{\mathbf{850}.\ }\]
\[Правильные\ дроби:\]
\[\frac{1}{7};\ \frac{4}{9};\ \frac{17}{19};\ \frac{2}{13}.\]
\[Неправильные\ дроби:\]
\[\frac{5}{3};\ \frac{11}{11};\ \frac{18}{17};\ \frac{6}{6}.\]