Cho 

Câu hỏi: Cho $P=\left(\frac{7}{20}+\frac{11}{15}-\frac{1}{12}\right):\left(\frac{11}{20}-\frac{26}{45}\right)$ và $Q=\frac{5-{\displaystyle \frac{5}{3}}+{\displaystyle \frac{5}{9}}-{\displaystyle \frac{5}{27}}}{8-{\displaystyle \frac{8}{3}}+{\displaystyle \frac{8}{9}}-{\displaystyle \frac{8}{27}}}:\frac{15-{\displaystyle \frac{15}{11}}+{\displaystyle \frac{15}{121}}}{16-{\displaystyle \frac{16}{11}}+{\displaystyle \frac{16}{121}}}$

A. P > Q     

B. P < Q     

C. P < -Q     

D. P = Q