Answer:
1 3/4
Explanation:
So 2 1/4= 9/4. 1 1/4=5/4. So 9/4+5/4=14/4, which is 3 2/4. 5 - 3 1/4= 1 3/4. And I think the grammar in this question is wrong. The last sentence says how much will he have left after making BOTH cakes. Im pretty sure its one big delicious cake.