[tex]2 \frac{3}{5} = \frac{5 \times 2 + 3}{5} = \frac{10 + 3}{5} = \frac{13}{5} [/tex]
[tex]1 \frac{7}{9} = \frac{9 \times 1 + 7}{9} = \frac{9 + 7}{9} = \frac{16}{9} [/tex]
[tex]13\frac{5}{4} = \frac{4 \times 13 + 5}{4} = \frac{52 + 5}{4} = \frac{57}{4} [/tex]
[tex]21 \frac{5}{6} = \frac{6 \times 21 + 5}{6} = \frac{126 + 5}{6} = \frac{131}{6} [/tex]
Pot sa le fac doar pe astea, nu am invatat fractii cu minus in spatele lor
