Compare these fractions.  $$\frac{3}{7}$$~\uline{~~~~~~~~~~}~$$\frac{5}{9}$$, $$\frac{5}{8}$$~\uline{~~~~~~~~~~}~$$\frac{7}{11}$$ 
Overseas Competition->Knowledge Point->Calculation Modules->Comparing, Ordering and Estimating->Comparing and Ordering
$$\frac{27}{63}\textless\frac{35}{63}$$;~$$\frac{55}{88}\textless\frac{56}{88}$$. 