1 1/2 Drittel von 100

1 1/2 = 1,5 = 15/10=3/2           (3/2)/3 = 1/2      1/2 von 100 = 1/2 * 100 = 50

$${\frac{\left({\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{1}}}{{\mathtt{2}}}}\right)}{{\mathtt{3}}}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\mathtt{50}}$$

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Gruß radix !