Solve the following.
\(\sqrt{\frac{225}{729}}-\sqrt{\frac{25}{144}}-\sqrt{\frac{16}{81}}\) =?
\(-\frac{11}{36}\)
\(-\frac{5}{9}\)
\(-\frac{20}{27}\)
\(-\frac{7}{12}\)
Study the given pattern carefully and select the letter that can replace the question mark (?) in it.