Final answer:
To subtract −130.6 and −147.06, align the decimal points, and perform the addition, since subtracting a negative number is equivalent to addition. The result is negative and the final answer is −277.66.
Step-by-step explanation:
To subtract the numbers −130.6 and −147.06, align the decimal points and subtract as you would with positive numbers, remembering to keep track of the signs:
- Write the numbers one on top of the other, making sure to align the decimal points:
- -130.6
- - 147.06
- Since both numbers are negative, subtracting a negative is the same as adding a positive, so the operation becomes:
- 130.6
- + 147.06
- Add the two numbers:
- 130.6
- + 147.06
- ---------
- 277.66
- The result is a negative number because we started with negative numbers.
- The final answer is:
- -277.66