Addition with Regrouping: 172 + 69

Addition with Regrouping Calculator
First addend
Second addend

What is 172 + 69?

Answer

172 + 69 =
241

With regrouping: 2 carries — into the tens and the hundreds

172 + 69 in a column. Carries are the small circled digits above the columns.
1carry1carry
1 7 2
+69
241

Column by column: 172 + 69

  • Ones: 2 + 9 = 11 — write 1, carry 1.
  • Tens: 7 + 6 + 1 = 14 — write 4, carry 1.
  • Hundreds: 1 + 1 = 2 — write 2.

172 + 69 = 241

Second check: 241 − 172 = 69

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Column additions with 69

ExampleSum
76 + 69145
78 + 69147
83 + 69152
85 + 69154
89 + 69158
92 + 69161
94 + 69163
98 + 69167
105 + 69174
136 + 69205
172 + 69241
203 + 69272
239 + 69308
268 + 69337
307 + 69376
348 + 69417
376 + 69445
402 + 69471
453 + 69522
485 + 69554

FAQ

What is 172 + 69?

172 + 69 = 241

How do you check that 172 + 69 = 241?

Subtract one addend from the sum: 241 − 69 = 172, and 241 − 172 = 69. Getting the other addend back means the sum is right.

How many carries are there in 172 + 69?

2 carries: 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 + 172 the same as 172 + 69?

Yes. Addition is commutative, so both give 241; the column looks the same with either number on top.

See Also