$\begin{array}{c}1:2=\mathrm{0,5}\\ 10\\ \underset{‾}{-10}\\ 0\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;1\; :2\; =\; 0\{,\}5\; \backslash \backslash \backslash ;\backslash ;\backslash ;10\backslash \backslash \backslash underline\{-\backslash ,10\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;0\backslash end\{array\}$

$\Rightarrow \frac{1}{2}=\mathrm{0,5}\backslash Rightarrow\backslash frac12=0\{,\}5$

Zusammen mit den 5 Einern ergibt sich:

$5\frac{1}{2}=\mathrm{5,5}5\backslash frac12=5\{,\}5$

$7,\overline{63}7,\backslash overline\{63\}$

$\begin{array}{c}16:256=\mathrm{0,0625}\\ 1600\\ \underset{‾}{-1536}\\ 640\\ \underset{‾}{-512}\\ 1280\\ \underset{‾}{-1280}\\ 0\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;16:256=\; 0\{,\}0625\; \backslash \backslash \backslash ;\backslash ;\backslash ;1600\backslash \backslash \backslash underline\{-\backslash ,1536\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;640\backslash \backslash \backslash underline\{-\backslash ;\backslash ;\backslash ;\backslash ;\backslash ,512\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;1280\backslash \backslash \backslash underline\{-\backslash ,\backslash quad1280\}\backslash \backslash \backslash qquad\backslash quad\; 0\backslash end\{array\}$

Mit 4 Einern ergibt sich $4+\mathrm{0,0625}=\mathrm{4,0625}4+0\{,\}0625=4\{,\}0625$.