Respuesta :

Answer: 4/12 + 1/4 = 7/12        5/12 + 1/4 = 2/3

Step-by-step explanation:

Answer:

1=[tex]\frac{7}{12}[/tex]

2=[tex]\frac{2}{3}[/tex]

Step-by-step explanation:

1- [tex]\frac{4}{12}[/tex]+[tex]\frac{1 x3}{4x3}[/tex]    = [tex]\frac{4}{12}[/tex]+[tex]\frac{3}{12}[/tex] =[tex]\frac{4+3}{12}=\frac{7}{12}[/tex]

2-