Respuesta :

We need to replace the fractions buy 0, 1/2 or 1 and estimate the difference of:

[tex]\frac{7}{8}-\frac{6}{11}\approx1-\frac{1}{2}=\frac{1}{2}[/tex]

We can replace 7/8 by 1 because is the nearest number, and 6/11 by 1/2 for the same reason.