All the following fractions represent three different numbers. Convert these in simple form and write these in group of those three.
(i) 2/12 (ii) 3/15 (iii) 8/50 (iv) 16/100
(v) 10/60 (vi) 15/75 (vii) 18/90 (viii) 16/96
(ix) 12/75 (x) 12/72 (xi) 10/50 (xii) 4/25