Simplest form means that you divide both numbers with a common number until you can't divide anymore. So let's divide both 36 and 40 by 4 once, and the answer is 9/10. Can 9 and 10 be divided by another common number? The answer is no.
So the simplest form is 9/10
36/80 in simplest form is 9 over 20
31/36 is already in simplest form.
21/36 in simplest form is 7/12
36/6 in simplest form is 6/1 = 6
1 over 6 is it in its simplest form.
2 over 3
1/2
48 / 36 = 1 12/36 = 1 1/3
36/45 = 4/5Divide both numbers by 9.
49/36 is in its simplest form.
36/55 is in its simplest form.
31/36 is in its simplest form.