Question

add.
-40 + (-38) =
36 + (-41) =

Explanation:

Step1: Add negative numbers

When adding a negative number, it's the same as subtracting the positive - value of that number. For $-40+(-38)$, we have $-40 - 38$.
$-40-38=-78$

Step2: Add a positive and a negative number

For $36+(-41)$, it's equivalent to $36 - 41$.
$36-41=-5$

Answer:

-40 + (-38) = -78
36 + (-41) = -5