Which of the following shows 27/54 written in prime factored form to help in reducing the fraction to simplest form?
A9x3/9x6
B27x1/27x2
C3x3x3/3x3x3x2
D1/2
A9x3/9x6
B27x1/27x2
C3x3x3/3x3x3x2
D1/2