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Thanks a lot! That works just great.

Before, I was using TeX Code (Ctrl+L).

Thanks, \mathrm really improves the look.

I see that you use \[ and \] but is there something else I can do that is simplified or compact? I have to write a lot of my work for my solutions out and using those symbols between every line would be a bit clunky. Doable, yes, but clunky. However, they ...

I'm using LyX to type out fractions but they look very messy. Is there a way to make the fractions look nicer?

For example, the denominators are touching the fraction line and that looks bad. Also, the spacing of each line seems a bit too close at times.