Schreibe Minuend und Subtrahend untereinander. Achte darauf, dass die Kommata genau untereinander stehen.

$\begin{array}{c}\phantom{-}\mathrm{125,63}\\ -\phantom{1}\mathrm{16,73}\\ \phantom{-}\mathrm{108,90}\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash hphantom\{-\}125\{,\}63\; \backslash \backslash -\backslash hphantom\{1\}16\{,\}73\; \backslash \backslash \backslash hline\backslash hphantom\{-\}108\{,\}90\backslash end\{array\}$

$\begin{array}{c}\phantom{-}975:1300=\mathrm{0,75}\\ \underset{‾}{-\phantom{97}0}\\ \phantom{-}9750\\ \underset{‾}{-9100}\\ \phantom{-9}6500\\ \phantom{9}\underset{‾}{-6500}\\ \phantom{-9650}0\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash hphantom\{-\}975:1300=0\{,\}75\backslash \backslash \backslash underline\{-\backslash hphantom\{97\}0\}\; \backslash \backslash \backslash hphantom\{-\}9750\; \backslash \backslash \backslash underline\{-9100\}\; \backslash \backslash \backslash hphantom\{-9\}6500\backslash \backslash \backslash hphantom\{9\}\backslash underline\{-6500\}\backslash \backslash \backslash hphantom\{-9650\}0\backslash end\{array\}$