Which two are equal
1/6=3/8
2/3=4/6
3/4=7/8
4/8=1/2
5/6=5/8

2/3=4/6

4/8=1/2

Step-by-step explanation:

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6