ExplicaciĂłn paso a paso:
1)
[tex] \frac{1}{6} + \frac{3}{4} [/tex]
[tex] \frac{2 + 9}{12} [/tex]
[tex] \frac{11}{12} [/tex]
2)
[tex] \frac{2}{12} + \frac{9}{12} [/tex]
