Addition with Regrouping: 172 + 41

Addition with Regrouping Calculator
First addend
Second addend

What is 172 + 41?

Answer

172 + 41 =
213

With regrouping: 1 carry — into the hundreds

172 + 41 in a column. Carries are the small circled digits above the columns.
1carry
1 7 2
+41
213

Column by column: 172 + 41

  • Ones: 2 + 1 = 3 — write 3.
  • Tens: 7 + 4 = 11 — write 1, carry 1.
  • Hundreds: 1 + 1 = 2 — write 2.

172 + 41 = 213

Second check: 213 − 172 = 41

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FAQ

What is 172 + 41?

172 + 41 = 213

How do you check that 172 + 41 = 213?

Subtract one addend from the sum: 213 − 41 = 172, and 213 − 172 = 41. Getting the other addend back means the sum is right.

How many carries are there in 172 + 41?

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 41 + 172 the same as 172 + 41?

Yes. Addition is commutative, so both give 213; the column looks the same with either number on top.