Answer:
-5/18
Step-by-step explanation:
1. Set up the problem
2/9 + (-1/2)
2.This can actually be written as shown below because the negative overrules the positive
2/9 -1/2
3. Find the LCM (least common multiple). In this case it would be 18
4.Write equivalent fractions with the denominator being 18.
4/18 - 9/18
5. Solve and for this case just subtract
-5/18