64/81 cannot be reduced.
The reduced fraction for 40 over 64 is 5/8
64/45 is in its simplest form.
45/64 is already in its simplest form
Yes, it is reduced from 195/45 to 39/9
It is already in reduced fraction form.
17/45.
3 over 8
64/90 = 32/45
No.
3/4
2/7