Respuesta :

Notice that both numbers 26 and 29 are divisible by 13:

[tex]\begin{gathered} \frac{26}{13}=2 \\ \frac{39}{13}=3 \end{gathered}[/tex]

thus, we can write the sum 26 + 39 like this:

[tex]26+39=13(2+3)[/tex]