Factor each nmber down to prime factors. If they have any factors in common, they can be simplified.
<span>15 is 5 times 3
</span>
<span>32 is 2 times 2 times 2 times 2 times 2
</span>
<span>No factors in common.
That is as simplified as it will get.
Sorry!</span>
The first graph would be your answer. I hope this helps love! :)