3/4 of 16 simply mean what is 3/4 times 16. OF means MULTIPLICATION, there for we know that we have to multiply.
3 6 18
-----x ----- = ----- now since we have and improper fraction, we divide. 2 4
4 1 4 ----
4 is now the answer, but we have to simplify. 2 1
----
1 is the final answer.
(hope this helps)