12/16 im simplest form

3/4 Because 4 goes into 12 and 16 and 4 goes into 12 3 times and 16 4 times

So 3/4

12/16 can be simplified by either diving both numerator and denominator by two or any other common number they are both divisible by 4. 12/4=3 and 16/4=4 so can be rewritten as 3/4

dividing by 2 until it cannot be divided anymore will bring same answer