If it's in a fraction like.

15/13?

That's also a ratio and the same rules apply.

I'm lost?

15/13

15/13 = 30/26 = 45/39

OH! I got it ! thanks Ms. Sue

You're welcome, Regan. :-)

To answer the question, "What is 15/13?" we can perform the division operation. The numerator of the fraction (15) represents the number being divided, and the denominator (13) represents the number by which we divide. Here's how you can calculate it:

1. Divide 15 by 13: 15 ÷ 13 = 1.
2. The quotient is 1. Hence, the answer to 15/13 is 1.

So, 15/13 equals 1.