Addition with Regrouping: 468 + 453

Addition with Regrouping Calculator
First addend
Second addend

What is 468 + 453?

Answer

468 + 453 =
921

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

468 + 453 in a column. Carries are the small circled digits above the columns.
1carry1carry
4 6 8
+453
921

Column by column: 468 + 453

  • Ones: 8 + 3 = 11 — write 1, carry 1.
  • Tens: 6 + 5 + 1 = 12 — write 2, carry 1.
  • Hundreds: 4 + 4 + 1 = 9 — write 9.

468 + 453 = 921

Second check: 921 − 468 = 453

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FAQ

What is 468 + 453?

468 + 453 = 921

How do you check that 468 + 453 = 921?

Subtract one addend from the sum: 921 − 453 = 468, and 921 − 468 = 453. Getting the other addend back means the sum is right.

How many carries are there in 468 + 453?

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 453 + 468 the same as 468 + 453?

Yes. Addition is commutative, so both give 921; the column looks the same with either number on top.

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