15/17 is the simplest form.
15/28 is the simplest form and, by definition, the simplest form must be equivalent to other forms of the ratio.
15 to 1
15/7 is in its simplest form.
The number 32768 is a power of 2, specifically (2^{15}). To express it in simplest form as a ratio, it can be represented as (32768:1). Since 1 is the simplest form of a ratio, (32768:1) is already in its simplest form.
15/16 is in its simplest form.
15/28 is the simplest form and, by definition, the simplest form must be equivalent to other forms of the ratio.
6/45 = 2/15
8:15 is already in simplest form.
71/15 is in its simplest form.
15 to 1
15/7 is in its simplest form.
11/15 is the simplest form.
15/29 is the simplest form.
8/15 is in its simplest form.
15/16 is in its simplest form.
8/15 is in its simplest form.
15/16 is in its simplest form.