Odd decimals showing in FPS timeline of Sequencer

There are odd decimals when FPS time snapping is set. This seems like a similar issue from UE-41311

This is a regression from

This does not occur in //UE4/Main at CL 3334092

1. Open any project
2. Create a Level Sequence
3. Change the Time Snapping Interval to an FPS setting

Result: There are odd decimals showing in the timeline when FPS time snapping is set

Expected Result: Timeline shows frames when FPS time snapping are set