Answer:
The missing number is 12.
And the fractions are;
[tex]\frac{4}{6}=\frac{8}{12}[/tex]Explanation:
We want to find the missing number to make these fractions equal.
let x represent the missing number;
[tex]\frac{4}{6}=\frac{8}{x}[/tex]To get x, let us cross multiply;
[tex]\begin{gathered} 4\times x=6\times8 \\ x=\frac{6\times8}{4} \\ x=12 \end{gathered}[/tex]Therefore, the missing number is 12.
And the fractions are;
[tex]\frac{4}{6}=\frac{8}{12}[/tex]