3 divided 28 = 0.10714285714285714
0.1071
28
28
It could be written as 28 divided by radical 3. However, you will normally be required to rationalise the denominator which brings you back to 28 radical 3 divided by 3.
3
9.3333
9.3333
28
28/3 = 9 1/3
28
9.3333
5.6