Vypočítaj:
\large \Large \frac{1-\frac{5}{6}}{1-\frac{6}{5}}\large
\large =- \Large \frac{5}{6}\large
\large =- \Large \frac{6}{5}\large
\large = \Large \frac{5}{6}\large
\large = \Large \frac{1}{6}\large