Answer:
Hope this helps : )
You should shade in 1 whole rectangle on the the bottom left corner and the top half of the second rectangle the bottom right corner.
Explanation:
This is because 1 1/2 is one whole rectangle and half of another rectangle. However, in this case the second rectangle on the bottom right corner is split into sixths. So half of it is 3/6 which is equal to 1/2.