Answer: 3/6 or simplified 1/2
Explanation:
Since there are 3 coins we times the 3 by how many sides we have in 1 coin:
3×2=6
So there are 6 sides, so that is the bottom number (/6)
Then how many times can we land on heads? 3
So that is the top number:
3/6
Which can be simplified to 1/2