Answer:
[tex]\frac{5}{9}[/tex]
Step-by-step explanation:
One way to look at it is to have 6 [tex]\frac{9}{9}[/tex] (which is the same as 7) instead. So, you would do this: 6 [tex]\frac{9}{9}[/tex] - 6 [tex]\frac{4}{9}[/tex] = ? Since we know that 6-6 is 0, we don't have to worry about that part. [tex]\frac{9}{9}[/tex] - [tex]\frac{4}{9}[/tex] = [tex]\frac{5}{9}[/tex]
