Solve Three-Digit Addition: 367 + 421 in Vertical Format

Question

amp;367+amp;amp;421amp;776amp; \begin{aligned} &367 \\ +& \\ &421 \\ &\underline{\phantom{776}} & \\ \end{aligned}

Video Solution

Solution Steps

00:04 Let's solve this problem together.
00:07 First, add the numbers in the ones place.
00:10 Now, add the digits in the tens place.
00:14 Next, add the numbers in the hundreds place.
00:17 Finally, combine your results to find the total.
00:21 Great job! That's how you solve it.

Step-by-Step Solution

To solve this addition problem, we will apply vertical addition:

We start with the given problem:

367+421 \begin{aligned} &367 \\ +& \\ &421 \\ \end{aligned}

We perform the addition column by column:

  • Units Column: 7+1=87 + 1 = 8
  • Tens Column: 6+2=86 + 2 = 8
  • Hundreds Column: 3+4=73 + 4 = 7

Putting it all together, the sum of the two numbers is:

788 \begin{aligned} &788 \end{aligned}

Therefore, the solution to the problem is 788788.

Answer

788