Arrange these numbers from least to greatest:
2/5 5/7 4/9
A2/5 5/7 4/9
B.2/5 4/9 5/7
C.5/7 4/9 2/5
D.4/9 2/5 5/7
2/5 5/7 4/9
A2/5 5/7 4/9
C.5/7 4/9 2/5
D.4/9 2/5 5/7