What is 3/12 in simplest form

To simplify, we need to find the largest number that goes in to both 3 and 12. In this case, it's 3. 3 goes in to 3 once, and into 12 four times. that fraction simplifies down to 1/4.

1/4
 is your answer because 3 divided by three is one and 12 divided by three is 4