Which one of the following is the pair of equivalent fraction?

• A. \[\frac{4}{6}and\frac{1}{3}\]
• B. \[\frac{5}{9}and\frac{4}{9}\]
• C. \[\frac{2}{3}and\frac{3}{9}\]
• D. \[\frac{1}{3}and\frac{3}{9}\]