Addition with Regrouping: 485 + 149

Addition with Regrouping Calculator
First addend
Second addend

What is 485 + 149?

Answer

485 + 149 =
634

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

485 + 149 in a column. Carries are the small circled digits above the columns.
1carry1carry
4 8 5
+149
634

Column by column: 485 + 149

  • Ones: 5 + 9 = 14 — write 4, carry 1.
  • Tens: 8 + 4 + 1 = 13 — write 3, carry 1.
  • Hundreds: 4 + 1 + 1 = 6 — write 6.

485 + 149 = 634

Second check: 634 − 485 = 149

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351 + 149500
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427 + 149576
451 + 149600
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602 + 149751
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683 + 149832

FAQ

What is 485 + 149?

485 + 149 = 634

How do you check that 485 + 149 = 634?

Subtract one addend from the sum: 634 − 149 = 485, and 634 − 485 = 149. Getting the other addend back means the sum is right.

How many carries are there in 485 + 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 + 485 the same as 485 + 149?

Yes. Addition is commutative, so both give 634; the column looks the same with either number on top.

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