Addition with Regrouping: 485 + 83

Addition with Regrouping Calculator
First addend
Second addend

What is 485 + 83?

Answer

485 + 83 =
568

With regrouping: 1 carry — into the hundreds

485 + 83 in a column. Carries are the small circled digits above the columns.
1carry
4 8 5
+83
568

Column by column: 485 + 83

  • Ones: 5 + 3 = 8 — write 8.
  • Tens: 8 + 8 = 16 — write 6, carry 1.
  • Hundreds: 4 + 1 = 5 — write 5.

485 + 83 = 568

Second check: 568 − 485 = 83

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FAQ

What is 485 + 83?

485 + 83 = 568

How do you check that 485 + 83 = 568?

Subtract one addend from the sum: 568 − 83 = 485, and 568 − 485 = 83. Getting the other addend back means the sum is right.

How many carries are there in 485 + 83?

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 83 + 485 the same as 485 + 83?

Yes. Addition is commutative, so both give 568; the column looks the same with either number on top.