lowest term of 81 over 90: 9/10
10/9
9/10
9/10
90/100 = 9/10
It is: 30/27= 10/9
9/30 = 3/10 in its lowest terms
No.
9/10 is already in lowest terms.
5/9 is a lowest term. They share no common factors.
The lowest term for 49 over 63 is 7/9
The lowest term for 125 over 225 is 5/9