Richard cut his pizza into 12 slices. Gianni cut his pizza into 6 slices, and ate 2 slices. Together, ate 9/12 of one pizza. How many slices of his pizza did Richard eat?

FInd the common denominator: 12 That means gianni ate 4/12 of his pizza Subtract 9/12 by 4/12 You get 5/12 That means 5/12 must be your answer Richard ate 5/12 of his pizza Hope this helped (Answer also can be 5)