Which of the following fractions is the greatest? \[\frac{4}{7},\frac{4}{9},\frac{4}{9},\frac{7}{8},\frac{1}{3}\]

• A. \[\frac{4}{7}\]
• B. \[\frac{7}{6}\]
• C. \[\frac{4}{9}\]  
• D. \[\frac{7}{8}\]
• E. None of these