Well, lets work it out. Since 8 obviously does not go into 18, and neither does 4, then let's try dividing each of them by 2. 8/18 / 2= 4/9. The factors of 4 are 1, 2, and 4. None of these go into 9, so the final answer is 4/9. Thanks for the opportunity to answer your question! :)
