John and Maria had an 8 slice pizza. John ate 1/3 and maria ate 1/4. how much pizza was left?

Answer 1

1/3 + 1/4 = 4/12 + 3/12 = 7/12

12/12 - 7/12 = ?

Answer 2

1/8= 3/24= 1 slice
John 1/3= 8/24= 2 2/3 slices
Maria 1/4= 6/24= 2 slices