What is 13/24 in its lowest fraction cancelling the prime factors?

If you want to reduce a fraction to lowest terms, you don't cancel

prime factors. You cancel common factors.

The factors of 13 are 1 and 13.

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

The only common factor of 13 and 24 is ' 1 '.

So the fraction 13/24 is already in lowest terms,

and can't be reduced further.