> Any MathML (or TeX) experts out there? I can't seem to figure out how
> to properly format
I think I'd argue that this a tabular layout, not an equation such as
TeX or MathML are
designed to describe. You are saying (in TeX) $13.5 + 7.75 = 21.25$, no?
use <mfrac> to do this "X over Y" thing, but I'd see it as an abuse.
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