Question

3/8 simplified⁉️
14/21 simplified⁉️
9/15 simplified ⁉️

Answer 1

3/8 is in simplest form.
14/21 would be 2/3 with a greatest common factor of 7.
9/15 would be 3/5 simplified with a greatest common factor of 3.

Answer 2

14/21 is 2/3 simplified.
9/15 is 3/5 simplified.
and 3/8 can not be simplified, so it's 3/8