Answer :
12 slices split up into 3 parts would be: 4 pieces per part.
1/3 of the pizza
there are 3 friends and 12 slices of pizza. so each friend will get 4 slices when equally divided. ie fraction each will get is 4/12 = 1/3
there are 3 friends and 12 slices of pizza. so each friend will get 4 slices when equally divided. ie fraction each will get is 4/12 = 1/3