Addition with Regrouping: 564 + 172

Addition with Regrouping Calculator
First addend
Second addend

What is 564 + 172?

Answer

564 + 172 =
736

With regrouping: 1 carry — into the hundreds

564 + 172 in a column. Carries are the small circled digits above the columns.
1carry
5 6 4
+172
736

Column by column: 564 + 172

  • Ones: 4 + 2 = 6 — write 6.
  • Tens: 6 + 7 = 13 — write 3, carry 1.
  • Hundreds: 5 + 1 + 1 = 7 — write 7.

564 + 172 = 736

Second check: 736 − 564 = 172

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FAQ

What is 564 + 172?

564 + 172 = 736

How do you check that 564 + 172 = 736?

Subtract one addend from the sum: 736 − 172 = 564, and 736 − 564 = 172. Getting the other addend back means the sum is right.

How many carries are there in 564 + 172?

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 172 + 564 the same as 564 + 172?

Yes. Addition is commutative, so both give 736; the column looks the same with either number on top.