Question

Yesterday, 58 of the 72 students in a contest gave their speeches. How many students gave their speeches? Write your answer in simplest form.

Answer 1

Lets express this as a fraction in simplest form. 

58/72

divide 

58/2 = 29
72/2 = 36

29/36 (cannot be simplified further)

Answer: 29/36

Answer 2

So 58 out of 72
therefor
58/72
divide both by 2
58/2=29
72/2=36

29/36
29 is prime so that is simplest form
29/36 is answer