Question

slove : 1 1/2 + 2 3/4 - 1 1/2​

Answer 1

(11/2) + (23/4) - (11/2)  

Here +(11/2) and -(11/2) gets cancelled out..

 Now, the answer remains as (23/4)

Answer 2

Answer:

11/2+23/4-11/2

22+23-22/4

23/4