what is -18.1 -5?

-18.1 - 5 equals -23.1.

To subtract -5 from -18.1, follow these steps:

Step 1: Write down the numbers vertically.
-18.1
-5

Step 2: Subtract the ones place.
.1
-5
------
-4.9

Step 3: Place a negative sign in front of the result since we are subtracting a negative number.
-18.1
-5
------
-(-4.9)

Step 4: Simplify the expression by removing the double negatives.
-18.1
-5
------
4.9

Therefore, -18.1 - 5 equals 4.9.