Respuesta :

musiclover10045

3/4 = 9/12

1/3 = 4/12

9/12 + 4/12 = 13/12 = 1 1/12

mathstudent55
[tex] \dfrac{3}{4} + \dfrac{1}{3} =[/tex]

[tex] = \dfrac{3 \times 3}{4 \times 3} + \dfrac{1 \times 4}{3 \times 4}[/tex]

[tex] = \dfrac{9}{12} + \dfrac{4}{12}[/tex]

[tex] = \dfrac{13}{12}[/tex]

[tex] = 1\dfrac{1}{12}[/tex]