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.
Five and one third.
1 and one half
3 and two thirds
7/9
Negative one half
7/24
1/2
1/2
five and two thirds or 5.666666666666666666666666666666666666666666666
-19/12
5/9 minus 1/3 is 2/9