Question

can 0.525252 be written as a fraction why or why not

Answer 1

Any decimal can be a fraction
.525252/1 is a fraction

Answer 2

That number can be written in fraction form if you approximate it such as 0.52525252 is approx. 0.53 which would be ~ 53/100.

Or you can find the exact numbers/ratio that will yield that exact repeating number.