Addition with Regrouping: 853 + 47

Addition with Regrouping Calculator
First addend
Second addend

What is 853 + 47?

Answer

853 + 47 =
900

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

853 + 47 in a column. Carries are the small circled digits above the columns.
1carry1carry
8 5 3
+47
900

Column by column: 853 + 47

  • Ones: 3 + 7 = 10 — write 0, carry 1.
  • Tens: 5 + 4 + 1 = 10 — write 0, carry 1.
  • Hundreds: 8 + 1 = 9 — write 9.

853 + 47 = 900

Second check: 900 − 853 = 47

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FAQ

What is 853 + 47?

853 + 47 = 900

How do you check that 853 + 47 = 900?

Subtract one addend from the sum: 900 − 47 = 853, and 900 − 853 = 47. Getting the other addend back means the sum is right.

How many carries are there in 853 + 47?

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 47 + 853 the same as 853 + 47?

Yes. Addition is commutative, so both give 900; the column looks the same with either number on top.