3 and 19/33
Twenty five minus one third is 24 and 2/3. You may have also meant twenty five minus one third of twenty five. That would be 16 and 2/3.
30
Five and one third.
1 and one half
7/9
3 and two thirds
Negative one half
7/24
1/2
1/2
-19/12
five and two thirds or 5.666666666666666666666666666666666666666666666