On Thu, 16 Feb 2023, Willi Egger via ntg-context wrote:

> Hi math gurus,
> 
> I should typeset a couple of simple math formulae. However I do not get the desired result. I attach my output as pdf.
> 
> 1. Why is the \times 12 in the denominator although the fraction is grouped? — I tried also the grouping with bracis, which gives the same result.
> 2. Why is the result after the equalsign in the denominator?
> 
> [...]

> Thank you for hinting me how to this correctly.

Have you tried using \frac{...}{...} instead of {... \over ...}

Aditya