SOLUTION: Please help me with the following ptoblem: 4^-1

SOLUTION: Please help me with the following ptoblem: 4^-1 - 2^-1

Question 149850: Please help me with the following ptoblem:
4^-1 - 2^-1
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Remember: x^-1 can be rewritten as 1/x
.
4^-1 - 2^-1
= 1/4 - 1/2
= 1/4 - 2/4
= -1/4