Addition with Regrouping: 354 + 149

Addition with Regrouping Calculator
First addend
Second addend

What is 354 + 149?

Answer

354 + 149 =
503

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

354 + 149 in a column. Carries are the small circled digits above the columns.
1carry1carry
3 5 4
+149
503

Column by column: 354 + 149

  • Ones: 4 + 9 = 13 — write 3, carry 1.
  • Tens: 5 + 4 + 1 = 10 — write 0, carry 1.
  • Hundreds: 3 + 1 + 1 = 5 — write 5.

354 + 149 = 503

Second check: 503 − 354 = 149

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256 + 149405
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351 + 149500
354 + 149503
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468 + 149617
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519 + 149668

FAQ

What is 354 + 149?

354 + 149 = 503

How do you check that 354 + 149 = 503?

Subtract one addend from the sum: 503 − 149 = 354, and 503 − 354 = 149. Getting the other addend back means the sum is right.

How many carries are there in 354 + 149?

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 149 + 354 the same as 354 + 149?

Yes. Addition is commutative, so both give 503; the column looks the same with either number on top.

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