[tex] \frac{4}{8} - \frac{7}{11} = [/tex]

8,11 I 2

4,11 | 2

2,11 | 2

1,11 I 11

1,1 MMC 2×2×2×11 =

MMC 4×2×11 =

MMC 8×11 = 88

[tex] \frac{44 - 56}{88} = [/tex]

-12(÷2)/88(÷2)=

-6(÷2)/44(÷2) =

-3/22 = -0,13

Resposta:

[tex]\frac{4}{8} -\frac{7}{11} \\ \\ mmc=8.11=88\\ \\ \frac{44-56}{88} =-\frac{12}{88}~~~simplifique~por~4\\ \\ -\frac{12:4}{88:4}=-\frac{3}{22} \\ \\ resposta:~~-\frac{3}{22}[/tex]