rename or simplify as needed
11 1/4 - 5 8/9
The LCD is 36.
You will get 11 9/36 - 5 32/36.
You cannot subtract the fraction, therefore you have to borrow one from the 11 (36/35 = 1 Then add 9 to 36 which gives 45).
10 45/36 - 5 32/36 = 9/36 = 1/4
You have to reduce the fraction.