Addition with Regrouping: 348 + 128

Addition with Regrouping Calculator
First addend
Second addend

What is 348 + 128?

Answer

348 + 128 =
476

With regrouping: 1 carry — into the tens

348 + 128 in a column. Carries are the small circled digits above the columns.
1carry
3 4 8
+128
476

Column by column: 348 + 128

  • Ones: 8 + 8 = 16 — write 6, carry 1.
  • Tens: 4 + 2 + 1 = 7 — write 7.
  • Hundreds: 3 + 1 = 4 — write 4.

348 + 128 = 476

Second check: 476 − 348 = 128

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FAQ

What is 348 + 128?

348 + 128 = 476

How do you check that 348 + 128 = 476?

Subtract one addend from the sum: 476 − 128 = 348, and 476 − 348 = 128. Getting the other addend back means the sum is right.

How many carries are there in 348 + 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 + 348 the same as 348 + 128?

Yes. Addition is commutative, so both give 476; the column looks the same with either number on top.

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