That is it's simplest form since they do not share any common factors.
If you are looking for the mixed number form, you just have to divide by 25.
46/25 = 1 and 21/25.
46/18 = 25/9
It is: 46/50 = 23/25
13/46 is in its simplest form
21/46 is the simplest form.
35/46 is in its simplest form.
9/46 is already in simplest form.
46/47 is in its simplest form.
22/46 in simplest form is 11/23
43/46 is in its simplest form.
46/25 = 46 ÷ 25 = 1.84
16/23 is its simplest form
33/46 is already simplified.