Column Addition: 647 + 52

Addition with Regrouping Calculator
First addend
Second addend

What is 647 + 52?

Answer

647 + 52 =
699

No regrouping: each column is added on its own

647 + 52 in a column. No carries.
6 4 7
+52
699

Column by column: 647 + 52

  • Ones: 7 + 2 = 9 — write 9.
  • Tens: 4 + 5 = 9 — write 9.
  • Hundreds: nothing to add — write 6.

647 + 52 = 699

Second check: 699 − 647 = 52

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FAQ

What is 647 + 52?

647 + 52 = 699

How do you check that 647 + 52 = 699?

Subtract one addend from the sum: 699 − 52 = 647, and 699 − 647 = 52. Getting the other addend back means the sum is right.

How many carries are there in 647 + 52?

None: no column adds up to 10 or more, so every digit of the sum is written straight away.

Is 52 + 647 the same as 647 + 52?

Yes. Addition is commutative, so both give 699; the column looks the same with either number on top.