Answer
15,657
Work Step by Step
1. Add the ones column
5 + 9 + 3 = 17. Write the 7 and carry the 1 by placing it at the top
2. Add the tens column and add any numbers carried from the right side column
1 + 3 + 1 = 5
3. Add the hundreds column
2 + 4 = 6
4. Add the thousands column
8 + 7 = 15
Reading left to right, we get 15,657 as the answer.
