Addition with Regrouping: 389 + 136

Addition with Regrouping Calculator
First addend
Second addend

What is 389 + 136?

Answer

389 + 136 =
525

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

389 + 136 in a column. Carries are the small circled digits above the columns.
1carry1carry
3 8 9
+136
525

Column by column: 389 + 136

  • Ones: 9 + 6 = 15 — write 5, carry 1.
  • Tens: 8 + 3 + 1 = 12 — write 2, carry 1.
  • Hundreds: 3 + 1 + 1 = 5 — write 5.

389 + 136 = 525

Second check: 525 − 389 = 136

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FAQ

What is 389 + 136?

389 + 136 = 525

How do you check that 389 + 136 = 525?

Subtract one addend from the sum: 525 − 136 = 389, and 525 − 389 = 136. Getting the other addend back means the sum is right.

How many carries are there in 389 + 136?

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 136 + 389 the same as 389 + 136?

Yes. Addition is commutative, so both give 525; the column looks the same with either number on top.

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