Hi Michael,

Here:

https://forums.autodesk.com/t5/autocad-for-mac-forum/fraction-text-clustering-when-printing-to-previ...

you can find the discussion about similar problem.
Looks like there is a bug in AutoCAD for Mac which gives such results with fractions.
There are two workarounds:
- use Batch Publish instead of Print or Preview from print window
- set system variable USEQUARTZFONT=0

Maxim