I am very sorry but I was wrong with the problem.

Question

The math problem is:
9 / (3.6-2.1)
Thank you Anonymus for your answer but I want the problem that I wrote above.
If you help me again pleaseeeeeeeee.
I don't know how to resolve this. Thanks again.

Answer 1

9 / (3.6-2.1) = 9 / 1.5 (Multiply both sides with 4)

= ( 9*4 ) / ( 1.5 * 4 ) =

36 / 6 = ( 6 * 9 ) / 6 = 6

9 / (3.6-2.1) = 6

Answer 2

Correction:

36 / 6 = ( 6 * 6 ) / 6 = 6