1/2-1
-1/2
It's 1/1, because \(\frac{1}{2-1} = \frac{1}{1}\)
- 1/2, because 1/2-2/2
=> (1-2)/2, so it's - 1/2
1/2 - 1
= -1/2
OR
1/(2-1)
= 1/1
= 1
Depends on what you mean
