Addition with Regrouping: 4,598 + 402

Addition with Regrouping Calculator
First addend
Second addend

What is 4,598 + 402?

Answer

4,598 + 402 =
5,000

With regrouping: 3 carries — into the tens, the hundreds and the thousands

4,598 + 402 in a column. Carries are the small circled digits above the columns.
1carry1carry1carry
4 5 9 8
+402
5000

Column by column: 4,598 + 402

  • Ones: 8 + 2 = 10 — write 0, carry 1.
  • Tens: 9 + 0 + 1 = 10 — write 0, carry 1.
  • Hundreds: 5 + 4 + 1 = 10 — write 0, carry 1.
  • Thousands: 4 + 1 = 5 — write 5.

4,598 + 402 = 5,000

Second check: 5,000 − 4,598 = 402

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FAQ

What is 4,598 + 402?

4,598 + 402 = 5,000

How do you check that 4,598 + 402 = 5,000?

Subtract one addend from the sum: 5,000 − 402 = 4,598, and 5,000 − 4,598 = 402. Getting the other addend back means the sum is right.

How many carries are there in 4,598 + 402?

3 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 402 + 4,598 the same as 4,598 + 402?

Yes. Addition is commutative, so both give 5,000; the column looks the same with either number on top.