21/40 = 21/40 -----------------simplest form as there is nothing in common factors here
21/5 is the simplest form.
4/21 is in its simplest form.
21/100 is in its simplest form.
21/16 is in its simplest form.
7/197 over 19
21/40 = 21/40 -----------------simplest form as there is nothing in common factors here
21/57 This will cancel down by '3' Hence 21/57 = 7/19 (/19 will not reduce any further, because both '7' and '19' are prime numbers.
21/80 is already in its simplest form
21/5 is the simplest form.
21/46 is the simplest form.
440/21 is in its simplest form.
10/21 is in its simplest form.
4/21 is in its simplest form.
21/100 is in its simplest form.
21/16 is in its simplest form.
21/52 is the simplest form.