Addition with Regrouping: 564 + 427

Addition with Regrouping Calculator
First addend
Second addend

What is 564 + 427?

Answer

564 + 427 =
991

With regrouping: 1 carry — into the tens

564 + 427 in a column. Carries are the small circled digits above the columns.
1carry
5 6 4
+427
991

Column by column: 564 + 427

  • Ones: 4 + 7 = 11 — write 1, carry 1.
  • Tens: 6 + 2 + 1 = 9 — write 9.
  • Hundreds: 5 + 4 = 9 — write 9.

564 + 427 = 991

Second check: 991 − 564 = 427

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Column additions with 564

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564 + 203767
564 + 214778
564 + 239803
564 + 256820
564 + 268832
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564 + 325889
564 + 348912
564 + 354918
564 + 376940
564 + 389953
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564 + 427991
564 + 4531,017
564 + 4681,032
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564 + 5191,083
564 + 5361,100
564 + 5641,128

FAQ

What is 564 + 427?

564 + 427 = 991

How do you check that 564 + 427 = 991?

Subtract one addend from the sum: 991 − 427 = 564, and 991 − 564 = 427. Getting the other addend back means the sum is right.

How many carries are there in 564 + 427?

1 carry: 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 427 + 564 the same as 564 + 427?

Yes. Addition is commutative, so both give 991; the column looks the same with either number on top.

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