Use the additive inverse to find −123.45−(−234.76
To find the solution, we need to subtract the additive inverse of -234.76 from -123.45.
The additive inverse of a number is the same number with the opposite sign. So, the additive inverse of -234.76 is +234.76.
Now we can perform the subtraction:
-123.45 - (-234.76) = -123.45 + 234.76
This is equivalent to adding a positive number, which we can do by ignoring the signs and simply adding the magnitudes:
123.45 + 234.76 = 358.21
Therefore, -123.45 - (-234.76) equals +358.21.
To find the value of −123.45−(−234.76) using the additive inverse, follow these steps:
Step 1: Change the subtraction operation to addition by changing the sign of the second number.
-123.45 + (+234.76)
Step 2: Add the two numbers together.
-123.45 + 234.76
Step 3: Subtract the absolute values of the two numbers and keep the sign of the larger number.
234.76 - 123.45
Step 4: Perform the subtraction.
111.31
Therefore, −123.45−(−234.76) equals 111.31.