If you're looking for a fraction: Think of it this way, the 9 is in the 10th place. The 6 is in front of the decimal. So, it's 69/10. The 10 takes the place of the 9, the "/" is the decimal moved to the right one space.
Or
If you're looking for a mixed number: You basically split the above fraction "69/10" up into two separate pieces. So, it's 6 9/10.
