No, the greatest common factor between 34 and 150 is 2, so if you cancel the 2's then there are no additional factors which can be 'canceled out'.
So we have 34 = 17 x 2 x 1, and 150 = 5² x 3 x 2 x 1.
So we have 17 / (5² x 3) = 17 / 75
34/57 is in its simplest form.
34 over 42 in simplest form = 17/21
5/34 is already in its simplest form
34 over 59
13/34
34 / 30 = 17 / 15 in its simplest form.
32/34 = 16/17
34/68 = 1/2
34/32 = 17/16
34/100 = 17/50
34/51 = 2/3
34/5