What is 0.8 repeating as a fraction?

0.8 repeating can be written as 0.88888... To convert this to a fraction, let x = 0.88888...

Then, 10x = 8.88888...

Subtracting the first equation from the second gives:

10x - x = 8

9x = 8

x = 8/9

Therefore, 0.8 repeating is equal to 8/9 as a fraction.