+amp;689amp;amp;317amp;776amp;
To solve this problem, we will perform vertical addition starting from the rightmost digit:
- Step 1: Add the units digits.
9+7=16. Write down 6 and carry over 1 to the tens place.
- Step 2: Add the tens digits.
8+1=9, now add the carry 1, so 9+1=10. Write down 0 and carry over 1 to the hundreds place.
- Step 3: Add the hundreds digits.
6+3=9, now add the carry 1, so 9+1=10. Write down 0 in the hundreds place and write down 1 in the thousands place (since it's the final column, the carry becomes a leading digit).
Therefore, the sum of 689 and 317 is 1006.