Addition with Regrouping: 256 + 187

Addition with Regrouping Calculator
First addend
Second addend

What is 256 + 187?

Answer

256 + 187 =
443

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

256 + 187 in a column. Carries are the small circled digits above the columns.
1carry1carry
2 5 6
+187
443

Column by column: 256 + 187

  • Ones: 6 + 7 = 13 — write 3, carry 1.
  • Tens: 5 + 8 + 1 = 14 — write 4, carry 1.
  • Hundreds: 2 + 1 + 1 = 4 — write 4.

256 + 187 = 443

Second check: 443 − 256 = 187

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FAQ

What is 256 + 187?

256 + 187 = 443

How do you check that 256 + 187 = 443?

Subtract one addend from the sum: 443 − 187 = 256, and 443 − 256 = 187. Getting the other addend back means the sum is right.

How many carries are there in 256 + 187?

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 187 + 256 the same as 256 + 187?

Yes. Addition is commutative, so both give 443; the column looks the same with either number on top.