The simplest form of 20 is 20, as it appears in the question.
The fraction 7/20 is already in its simplest form.
3/20 is in its simplest form.
20/9 is in its simplest form.
20/63 is in its simplest form.
8/16 in its simplest form is 1/2
1 and 1/16 is in its simplest form.
20 is in its simplest form.
1/2
The simplest form of 20 is 20, as it appears in the question.
The fraction 7/20 is already in its simplest form.
3/20 is in its simplest form.
20/9 is in its simplest form.
20/63 is in its simplest form.
5/8
31/20 is in its simplest form.
13/20 is the simplest form.