[tex] \frac{6}{9} + \frac{4}{3} + \frac{1}{9} [/tex]
[tex] = \frac{6 + 12 + 1}{9} [/tex]
[tex] = \frac{19}{9} [/tex]
9 - 3 - 9 | 3
3 - 1 - 3 | 3
1 - 1 - 1 |
Espero me hayas entendido