Addition with Regrouping: 485 + 71

Addition with Regrouping Calculator
First addend
Second addend

What is 485 + 71?

Answer

485 + 71 =
556

With regrouping: 1 carry — into the hundreds

485 + 71 in a column. Carries are the small circled digits above the columns.
1carry
4 8 5
+71
556

Column by column: 485 + 71

  • Ones: 5 + 1 = 6 — write 6.
  • Tens: 8 + 7 = 15 — write 5, carry 1.
  • Hundreds: 4 + 1 = 5 — write 5.

485 + 71 = 556

Second check: 556 − 485 = 71

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239 + 71310
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348 + 71419
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453 + 71524
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929 + 711,000
1,929 + 712,000
4,929 + 715,000

FAQ

What is 485 + 71?

485 + 71 = 556

How do you check that 485 + 71 = 556?

Subtract one addend from the sum: 556 − 71 = 485, and 556 − 485 = 71. Getting the other addend back means the sum is right.

How many carries are there in 485 + 71?

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 71 + 485 the same as 485 + 71?

Yes. Addition is commutative, so both give 556; the column looks the same with either number on top.

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