Answer:
x + y = 1/10
Explanation:
The given values are,
→ x = 1/2
→ y = -2/5
Now we have to,
→ Find the required value of x + y.
Let's evaluate the expression,
→ x + y
→ (1/2) + (-2/5)
→ (1/2) - (2/5)
→ (5/10) - (4/10)
→ (5 - 4)/10
→ 1/10
Hence, the answer is 1/10.