Word problem involving fraction: Sam gives 2/10 of his tray of cookies to Ella. He gives 4/10 of his tray of cookies to Jack. What fraction of the tray of cookies does he give in all?
A.
B.
C.
D.
10.
Word problem involving fraction: Mother bought two pizzas cut into six parts each. Father ate five slices of the pizzas. What fraction of the pizzas is left?