Column Addition: 172 + 26

Addition with Regrouping Calculator
First addend
Second addend

What is 172 + 26?

Answer

172 + 26 =
198

No regrouping: each column is added on its own

172 + 26 in a column. No carries.
1 7 2
+26
198

Column by column: 172 + 26

  • Ones: 2 + 6 = 8 — write 8.
  • Tens: 7 + 2 = 9 — write 9.
  • Hundreds: nothing to add — write 1.

172 + 26 = 198

Second check: 198 − 172 = 26

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FAQ

What is 172 + 26?

172 + 26 = 198

How do you check that 172 + 26 = 198?

Subtract one addend from the sum: 198 − 26 = 172, and 198 − 172 = 26. Getting the other addend back means the sum is right.

How many carries are there in 172 + 26?

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

Is 26 + 172 the same as 172 + 26?

Yes. Addition is commutative, so both give 198; the column looks the same with either number on top.