[tex]3 \frac{1}{4} = \frac{13}{4} \\ 2 \frac{4}{7} = \frac{18}{7} \\ 1 \frac{1}{5} = \frac{6}{5} \\ [/tex]
[tex]4 \frac{3}{8} = \frac{35}{8} \\ 9 \frac{2}{5} = \frac{47}{5} \\ 7 \frac{4}{11} = \frac{81}{11} [/tex]
[tex]10 \frac{23}{75} = \frac{773}{75} \\ 12 \frac{13}{169} = \frac{157}{13} \\ 1001 \frac{243}{729} = \frac{3004}{3} [/tex]
Mod de rezolvare
[tex]7 \frac{4}{11} = \frac{7 \times 11 + 4}{11} = \frac{81}{11} [/tex]
