Question

9/4 divided by 6/5???

Answer 1

9/4 divided by 6/5
9/4•5/6=45/30 =8/6
8/6=(1 7/8)

Answer 2

45/24 (simplified, it's 15/8)
The method is keep change flip.
keep the 9/4, change the division sign to multiplication sign, flip the 6/5 to a 5/6, then solve.