Addition with Regrouping: 564 + 291

Addition with Regrouping Calculator
First addend
Second addend

What is 564 + 291?

Answer

564 + 291 =
855

With regrouping: 1 carry — into the hundreds

564 + 291 in a column. Carries are the small circled digits above the columns.
1carry
5 6 4
+291
855

Column by column: 564 + 291

  • Ones: 4 + 1 = 5 — write 5.
  • Tens: 6 + 9 = 15 — write 5, carry 1.
  • Hundreds: 5 + 2 + 1 = 8 — write 8.

564 + 291 = 855

Second check: 855 − 564 = 291

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FAQ

What is 564 + 291?

564 + 291 = 855

How do you check that 564 + 291 = 855?

Subtract one addend from the sum: 855 − 291 = 564, and 855 − 564 = 291. Getting the other addend back means the sum is right.

How many carries are there in 564 + 291?

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 291 + 564 the same as 564 + 291?

Yes. Addition is commutative, so both give 855; the column looks the same with either number on top.