Question

What is 9/21 in simplest form

Answer 1

9 and 21's gcf is 3 so 9/3= 3 21/3=7 =3/7
9-1,3,9
21-1,3,7,21

Answer 2

3/7. You divide 9/21 by a number they can both be divisible by, which is 3. Hope it helps! :)