Work Step by Step
Starting with the ones position, sum the digits in the corresponding positions of each addend. If a sum is 10 or greater, carry the digit in the tens position of the result to the next column. 2+9=11. Write 1 in the ones position the result, carry 1 to the tens column. 1+5+8=14. Write 4 in the tens column. Carry 1 to the hundreds column. The sum is 141.