2/6 < ?
select the three fractions that make this comparison true
3/6
2/8
2/4
2/3
1/6

3/6 . . . . .
Yes.  2 of anything is less than 3 of the same thing ... like sixths. 

2/8 . . . . .
No.  When changed to common denominator, the inequality
would say
                            8/24 <  6/24
and that's not true.

2/4 . . . . .
Yes.  When changed to common denominator,
the inequality would say
                                    4/12 <  6/12
and that's true.

2/3 . . . . .
Yes.  When changed to common denominator,
the inequality would say
                                    2/6 <  4/6
and that's true.

1/6 . . . . .
No.  2 of anything is more than 1 of the same thing ... like sixths.