Addition with Regrouping: 572 + 28

Addition with Regrouping Calculator
First addend
Second addend

What is 572 + 28?

Answer

572 + 28 =
600

With regrouping: 2 carries — into the tens and the hundreds

572 + 28 in a column. Carries are the small circled digits above the columns.
1carry1carry
5 7 2
+28
600

Column by column: 572 + 28

  • Ones: 2 + 8 = 10 — write 0, carry 1.
  • Tens: 7 + 2 + 1 = 10 — write 0, carry 1.
  • Hundreds: 5 + 1 = 6 — write 6.

572 + 28 = 600

Second check: 600 − 572 = 28

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FAQ

What is 572 + 28?

572 + 28 = 600

How do you check that 572 + 28 = 600?

Subtract one addend from the sum: 600 − 28 = 572, and 600 − 572 = 28. Getting the other addend back means the sum is right.

How many carries are there in 572 + 28?

2 carries: 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 28 + 572 the same as 572 + 28?

Yes. Addition is commutative, so both give 600; the column looks the same with either number on top.

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