Question

Use the additive inverse to find -123.45-2,34.76.

Answer 1

To find the sum of -123.45 and -2,34.76 using the additive inverse, we can add the additive inverse of -2,34.76 to -123.45.

The additive inverse of -2,34.76 is simply 2,34.76, because the additive inverse of a negative number is the positive version of that number.

So, we have -123.45 + 2,34.76.

Adding these numbers together:
-123.45
+ 2,34.76
__________
2,11.31

Therefore, -123.45 - 2,34.76 = 2,11.31.