question_answer

Solve: \[\frac{\mathbf{1}}{\mathbf{3}\frac{\mathbf{4}}{\mathbf{5}}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{5}\frac{\mathbf{3}}{\mathbf{7}}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{3}\frac{\mathbf{9}}{\mathbf{16}}}\mathbf{-}\frac{\mathbf{1}}{\mathbf{5}\frac{\mathbf{5}}{\mathbf{18}}}\]

A) \[\frac{303}{470}\]

B) \[\frac{307}{570}\]

C) \[\frac{209}{470}\]

D) \[\frac{323}{570}\]

E) None of these