9/13 is in its simplest form.
9/13
13% = 13 / 100 (simplest form)
9/13 is already in simplest form. 13 is prime, it can't be divided by anything.
18/26 = 9/13
9/13 is a proper fraction in its simplest form. (13 is prime).
9/13 x 9/13 is 81/169.
9/13
-81/117 = -9/13
72/104 in simplest form is 9 /13
It is: 9/117 = 1/13
9/13
9/13