Which fraction should be added to the sum of \(5\frac{3}{4},\;4\frac{4}{5}\) and \(7\frac{3}{8}\) so that the result is a whole number?

• A. \(\frac{1}{{40}}\)
• B. \(\frac{3}{{40}}\)
• C. \(\frac{1}{{10}}\)
• D. \(\frac{1}{{20}}\)