Alfral... are you following me around?
Afral is right, but if you want to use keyboard shorcuts (far from lazy - just efficient), follow Alfral's instructions for settings and then do this:
Type the following
1
backslash (oblique)
2
Highlight the 1
Apple (Cmnd) - shift + (plus) to apply superscript
Highlight the 2
Apple (Cmnd) - shift - (minus) to apply subscript
You will then need to highlight the whole fraction and track it tighter as the gaps are rather unsightly. "Make Fraction" actually kerns the spaces between the digits and the obliique.
As for option 1... ? Alfral... what is this meant to do? All it gives me is an upside down exclamation point. And what is the point of reducing the size of the digts? ISn't this what super and subscripts does for you? Or have I missed something?
"Make Fraction" reduces the size of the 1 and applies a baseline shift to raise it. And then just reduces the point size of the 2 and leaves it on the baseline.
Now, is this easier/quicker/more efficient that going to style>type style>make fraction? Probably not. And if you are using a Mac there is most likely a way of writing a script or assigning keys to automate this process, but I don't know where to point you at this stage.
Hope this is helpful.
regards
Tony