Addition with Regrouping: 468 + 128

Addition with Regrouping Calculator
First addend
Second addend

What is 468 + 128?

Answer

468 + 128 =
596

With regrouping: 1 carry — into the tens

468 + 128 in a column. Carries are the small circled digits above the columns.
1carry
4 6 8
+128
596

Column by column: 468 + 128

  • Ones: 8 + 8 = 16 — write 6, carry 1.
  • Tens: 6 + 2 + 1 = 9 — write 9.
  • Hundreds: 4 + 1 = 5 — write 5.

468 + 128 = 596

Second check: 596 − 468 = 128

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FAQ

What is 468 + 128?

468 + 128 = 596

How do you check that 468 + 128 = 596?

Subtract one addend from the sum: 596 − 128 = 468, and 596 − 468 = 128. Getting the other addend back means the sum is right.

How many carries are there in 468 + 128?

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 128 + 468 the same as 468 + 128?

Yes. Addition is commutative, so both give 596; the column looks the same with either number on top.

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