Addition with Regrouping: 468 + 149

Addition with Regrouping Calculator
First addend
Second addend

What is 468 + 149?

Answer

468 + 149 =
617

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

468 + 149 in a column. Carries are the small circled digits above the columns.
1carry1carry
4 6 8
+149
617

Column by column: 468 + 149

  • Ones: 8 + 9 = 17 — write 7, carry 1.
  • Tens: 6 + 4 + 1 = 11 — write 1, carry 1.
  • Hundreds: 4 + 1 + 1 = 6 — write 6.

468 + 149 = 617

Second check: 617 − 468 = 149

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FAQ

What is 468 + 149?

468 + 149 = 617

How do you check that 468 + 149 = 617?

Subtract one addend from the sum: 617 − 149 = 468, and 617 − 468 = 149. Getting the other addend back means the sum is right.

How many carries are there in 468 + 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 + 468 the same as 468 + 149?

Yes. Addition is commutative, so both give 617; the column looks the same with either number on top.

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