Question

What is 9 1\2 + 12 11\20

Answer 1

9 1/2 + 12 11/10
= 19/2 + 131/10 (cuz u multiply 2 x 9 and add 1, and agaim w the other 10x12+11)
= 150/10

Answer 2

1/2 of 11/20 is 10/20 so add that together. Then just add 9+12... sorry im not going to give answers but i hope that helps somewhat