Addition with Regrouping: 408 + 92

Addition with Regrouping Calculator
First addend
Second addend

What is 408 + 92?

Answer

408 + 92 =
500

With regrouping: 2 carries — into the tens and the hundreds

408 + 92 in a column. Carries are the small circled digits above the columns.
1carry1carry
4 0 8
+92
500

Column by column: 408 + 92

  • Ones: 8 + 2 = 10 — write 0, carry 1.
  • Tens: 0 + 9 + 1 = 10 — write 0, carry 1.
  • Hundreds: 4 + 1 = 5 — write 5.

408 + 92 = 500

Second check: 500 − 408 = 92

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FAQ

What is 408 + 92?

408 + 92 = 500

How do you check that 408 + 92 = 500?

Subtract one addend from the sum: 500 − 92 = 408, and 500 − 408 = 92. Getting the other addend back means the sum is right.

How many carries are there in 408 + 92?

2 carries: every time a column added up to 10 or more, its ones digit was written and 1 was carried to the next column on the left.

Is 92 + 408 the same as 408 + 92?

Yes. Addition is commutative, so both give 500; the column looks the same with either number on top.