Brian ate 5 pieces of pie. The pie was cut into 6 equal slices

Question

What is the fraction of the pie did brian eat?

Answer 1

5/6 of a pie.

Answer 2

5/6 of the whole or five sixth of a pie. If Brian ate 5 pieces of the pie and there was only a total of six; Brian ate 5 out of 6 pieces: 5/6

Answer 3

5/6

Answer 4

Brian ate 5/6 of the pie.