Answer :

3 4/5
=3.8

3 5/6
=3.8333333333333...

3.95

Therefore, 3 4/5 is the smallest of the three numbers.

3 4/5 : 3.8

3 5/6 : 3.83333333 and so on

3.95 : 3.95

 so the answer is 3 4/5