For normal fonts fractions will be displayed horizontally as below.
Screenshot - 4_14_2018 , 6_32_30 PM.png

I expect you could find or make a font that included a variety of glyphs for fractions such that the numbers are stacked vertically or diagonally but there isn't any facility currently for doing that directly in LayOut.

@rich o brien said:

No, components loaded externally will end up in the component browser.You could try Xref extension by TIG...

http://sketchucation.com/forums/viewtopic.php?p=46367#p46367

Or take a look at Cross Reference Organizer 👍

I was trying to mirror the 2x sub fascia on the end of the roof trusses from right side to left.

select object
first mirror point at peak of roof, second mirror point vertically on blue axis and third out on red axis.

UPDATE

I copy / pasted my model into a new file and now it works. Must have been a corrupted file. I did have a system crash at one point while working in the original file Also, the original file was the last of many Save Copy As versions as I explored different options for a garage.

Thanks for your comments.