Addition with Regrouping: 485 + 74

Addition with Regrouping Calculator
First addend
Second addend

What is 485 + 74?

Answer

485 + 74 =
559

With regrouping: 1 carry — into the hundreds

485 + 74 in a column. Carries are the small circled digits above the columns.
1carry
4 8 5
+74
559

Column by column: 485 + 74

  • Ones: 5 + 4 = 9 — write 9.
  • Tens: 8 + 7 = 15 — write 5, carry 1.
  • Hundreds: 4 + 1 = 5 — write 5.

485 + 74 = 559

Second check: 559 − 485 = 74

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FAQ

What is 485 + 74?

485 + 74 = 559

How do you check that 485 + 74 = 559?

Subtract one addend from the sum: 559 − 74 = 485, and 559 − 485 = 74. Getting the other addend back means the sum is right.

How many carries are there in 485 + 74?

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 74 + 485 the same as 485 + 74?

Yes. Addition is commutative, so both give 559; the column looks the same with either number on top.