Verified Answer :

The simplest form of \(9/12\) is \(3/4\) =)

Solutions 

⇒9/12 

1) To see if 9/12 is in simplest form you have to find 9 and 12's GCF. 
The GCF of 9 and 12 is 3 

2) Divide by the GCF
9 ÷ 3 = 3
12 ÷ 3=  4 

3/4 is answer