To evaluate x divided by 80 for x=8/9, we would first need to look at them in the same form. So, x divided by 80 would look like
x/80
We would then substitute 8/9 for x, which would give us:
(8/9)/80
or
8/9 ÷ 80/1
When fractions are divided by other fractions we can understand them as multiplication problems with the denominator inverted. Which in this case would be:
8/9 * 1/80
From there, we multiply the numerators and denominators. That gives us 8/720. We can then reduce that to: 1/90
