Video: Adding Three Large Numbers

Complete the following expression. 3414988 + 2878385 + 2527515 = _.

02:09

Video Transcript

Complete the following expression. 3414988 plus 2878385 plus 2527515.

We follow the same process to add these large numbers as we would smaller numbers. We start with the digits all the way on the right, adding eight plus five plus five. Altogether, that equals eight ones and one ten. We write down our eight and carry our one.

In the tens place, we add one plus eight plus eight plus one. This equals 18. Write down our eight. Carry our one. In the hundreds place, we have one plus nine plus three plus five. That also adds to equal 18. Write down your eight. Carry your one. From there, in the thousands place, we add one plus four plus eight plus seven. That adds up to 20. We write down a zero and carry our two.

In the ten thousands place, two plus one plus seven plus two equals 12. Write down a two. Carry your one. The hundred thousands place has one plus four plus eight plus five, which equals 18. Write down your eight. Carry your one. Our last column, the millions place, one plus three plus two plus two equals eight. The sum of these three values is 8820888.

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