Column Addition: 485 + 402

Addition with Regrouping Calculator
First addend
Second addend

What is 485 + 402?

Answer

485 + 402 =
887

No regrouping: each column is added on its own

485 + 402 in a column. No carries.
4 8 5
+402
887

Column by column: 485 + 402

  • Ones: 5 + 2 = 7 — write 7.
  • Tens: 8 + 0 = 8 — write 8.
  • Hundreds: 4 + 4 = 8 — write 8.

485 + 402 = 887

Second check: 887 − 485 = 402

Similar examples to practise

See Also

FAQ

What is 485 + 402?

485 + 402 = 887

How do you check that 485 + 402 = 887?

Subtract one addend from the sum: 887 − 402 = 485, and 887 − 485 = 402. Getting the other addend back means the sum is right.

How many carries are there in 485 + 402?

None: no column adds up to 10 or more, so every digit of the sum is written straight away.

Is 402 + 485 the same as 485 + 402?

Yes. Addition is commutative, so both give 887; the column looks the same with either number on top.