Solve : $$1\frac{1}{8}$$ + $$1\frac{6}{7}$$ + $$3\frac{3}{5}$$ = ?

• A. $8\frac{121}{140}$$
• B. $6\frac{163}{280}$$
• C. $9\frac{197}{280}$$
• D. $7\frac{117}{140}$$
• E. one of these