The fraction 9/22 cannot be reduced any more.
It equals 22/99 and 11 goes in both of the numbers so it is now 2/9.
22/9 = 24/9
22/66 = 1/3
No.
No.
9/22 is equal to 0.4090909 (09 repeating).
9/11 - 1/2 = 18/22 - 11/22 = 7/22
No.
2/7
No you cannot
8/9
1/3