Respuesta:
1/3
Explicación paso a paso:
[tex] \frac{1}{3} \times \frac{4}{4} = \frac{4}{12} \\ \frac{1}{4} \times \frac{3}{3} = \frac{3}{12} \\ \\ \frac{1}{12} + \frac{4}{12} + \frac{3}{12} = \frac{8}{12} \\ \frac{12}{12} - \frac{8}{12} = \frac{4}{12} = \frac{1}{3} [/tex]
espero te sirva
