Addition with Regrouping: 402 + 58

Addition with Regrouping Calculator
First addend
Second addend

What is 402 + 58?

Answer

402 + 58 =
460

With regrouping: 1 carry — into the tens

402 + 58 in a column. Carries are the small circled digits above the columns.
1carry
4 0 2
+58
460

Column by column: 402 + 58

  • Ones: 2 + 8 = 10 — write 0, carry 1.
  • Tens: 0 + 5 + 1 = 6 — write 6.
  • Hundreds: nothing to add — write 4.

402 + 58 = 460

Second check: 460 − 402 = 58

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FAQ

What is 402 + 58?

402 + 58 = 460

How do you check that 402 + 58 = 460?

Subtract one addend from the sum: 460 − 58 = 402, and 460 − 402 = 58. Getting the other addend back means the sum is right.

How many carries are there in 402 + 58?

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 58 + 402 the same as 402 + 58?

Yes. Addition is commutative, so both give 460; the column looks the same with either number on top.