Addition with Regrouping: 427 + 376

Addition with Regrouping Calculator
First addend
Second addend

What is 427 + 376?

Answer

427 + 376 =
803

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

427 + 376 in a column. Carries are the small circled digits above the columns.
1carry1carry
4 2 7
+376
803

Column by column: 427 + 376

  • Ones: 7 + 6 = 13 — write 3, carry 1.
  • Tens: 2 + 7 + 1 = 10 — write 0, carry 1.
  • Hundreds: 4 + 3 + 1 = 8 — write 8.

427 + 376 = 803

Second check: 803 − 427 = 376

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FAQ

What is 427 + 376?

427 + 376 = 803

How do you check that 427 + 376 = 803?

Subtract one addend from the sum: 803 − 376 = 427, and 803 − 427 = 376. Getting the other addend back means the sum is right.

How many carries are there in 427 + 376?

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 376 + 427 the same as 427 + 376?

Yes. Addition is commutative, so both give 803; the column looks the same with either number on top.

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