Addition with Regrouping: 564 + 307

Addition with Regrouping Calculator
First addend
Second addend

What is 564 + 307?

Answer

564 + 307 =
871

With regrouping: 1 carry — into the tens

564 + 307 in a column. Carries are the small circled digits above the columns.
1carry
5 6 4
+307
871

Column by column: 564 + 307

  • Ones: 4 + 7 = 11 — write 1, carry 1.
  • Tens: 6 + 0 + 1 = 7 — write 7.
  • Hundreds: 5 + 3 = 8 — write 8.

564 + 307 = 871

Second check: 871 − 564 = 307

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FAQ

What is 564 + 307?

564 + 307 = 871

How do you check that 564 + 307 = 871?

Subtract one addend from the sum: 871 − 307 = 564, and 871 − 564 = 307. Getting the other addend back means the sum is right.

How many carries are there in 564 + 307?

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 307 + 564 the same as 564 + 307?

Yes. Addition is commutative, so both give 871; the column looks the same with either number on top.