Addition with Regrouping: 348 + 203

Addition with Regrouping Calculator
First addend
Second addend

What is 348 + 203?

Answer

348 + 203 =
551

With regrouping: 1 carry — into the tens

348 + 203 in a column. Carries are the small circled digits above the columns.
1carry
3 4 8
+203
551

Column by column: 348 + 203

  • Ones: 8 + 3 = 11 — write 1, carry 1.
  • Tens: 4 + 0 + 1 = 5 — write 5.
  • Hundreds: 3 + 2 = 5 — write 5.

348 + 203 = 551

Second check: 551 − 348 = 203

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FAQ

What is 348 + 203?

348 + 203 = 551

How do you check that 348 + 203 = 551?

Subtract one addend from the sum: 551 − 203 = 348, and 551 − 348 = 203. Getting the other addend back means the sum is right.

How many carries are there in 348 + 203?

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 203 + 348 the same as 348 + 203?

Yes. Addition is commutative, so both give 551; the column looks the same with either number on top.

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