Column Addition: 105 + 52

Addition with Regrouping Calculator
First addend
Second addend

What is 105 + 52?

Answer

105 + 52 =
157

No regrouping: each column is added on its own

105 + 52 in a column. No carries.
1 0 5
+52
157

Column by column: 105 + 52

  • Ones: 5 + 2 = 7 — write 7.
  • Tens: 0 + 5 = 5 — write 5.
  • Hundreds: nothing to add — write 1.

105 + 52 = 157

Second check: 157 − 105 = 52

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FAQ

What is 105 + 52?

105 + 52 = 157

How do you check that 105 + 52 = 157?

Subtract one addend from the sum: 157 − 52 = 105, and 157 − 105 = 52. Getting the other addend back means the sum is right.

How many carries are there in 105 + 52?

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

Is 52 + 105 the same as 105 + 52?

Yes. Addition is commutative, so both give 157; the column looks the same with either number on top.