Respuesta:
[tex] \frac{2}{3} - \frac{5}{12} + \frac{3}{4} = [/tex]
[tex] \frac{2 \times 4}{3 \times 4} - \frac{5}{12} + \frac{3 \times 3}{4 \times 3} [/tex]
[tex] \frac{8}{12} - \frac{5}{12} + \frac{9}{12} [/tex]
[tex] \frac{8 - 5 + 9}{12} [/tex]
[tex] \frac{12}{12} [/tex]
[tex]1[/tex]
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Respuesta:
[tex] \frac{2}{3} - \frac{5}{12} + \frac{3}{4} = [/tex]
[tex] \frac{2 \times 4}{3 \times 4} - \frac{5}{12} + \frac{3 \times 3}{4 \times 3} [/tex]
[tex] \frac{8}{12} - \frac{5}{12} + \frac{9}{12} [/tex]
[tex] \frac{8 - 5 + 9}{12} [/tex]
[tex] \frac{12}{12} [/tex]
[tex]1[/tex]