Addition with Regrouping: 105 + 69

Addition with Regrouping Calculator
First addend
Second addend

What is 105 + 69?

Answer

105 + 69 =
174

With regrouping: 1 carry — into the tens

105 + 69 in a column. Carries are the small circled digits above the columns.
1carry
1 0 5
+69
174

Column by column: 105 + 69

  • Ones: 5 + 9 = 14 — write 4, carry 1.
  • Tens: 0 + 6 + 1 = 7 — write 7.
  • Hundreds: nothing to add — write 1.

105 + 69 = 174

Second check: 174 − 105 = 69

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FAQ

What is 105 + 69?

105 + 69 = 174

How do you check that 105 + 69 = 174?

Subtract one addend from the sum: 174 − 69 = 105, and 174 − 105 = 69. Getting the other addend back means the sum is right.

How many carries are there in 105 + 69?

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 69 + 105 the same as 105 + 69?

Yes. Addition is commutative, so both give 174; the column looks the same with either number on top.