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    Addition with Regrouping: 129 + 71

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 129 + 71?

    Answer

    129 + 71 =
    200

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

    129 + 71 in a column. Carries are the small circled digits above the columns.
    1carry1carry
    1 2 9
    +71
    200

    Column by column: 129 + 71

    • Ones: 9 + 1 = 10 — write 0, carry 1.
    • Tens: 2 + 7 + 1 = 10 — write 0, carry 1.
    • Hundreds: 1 + 1 = 2 — write 2.

    129 + 71 = 200

    Second check: 200 − 129 = 71

    Similar examples to practise

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    129 + 71 = 200 - Addition with Regrouping. 129 + 71 = 200. Addition with regrouping step by step: 2 carries, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/129--71/generated.jpgCopy

    Column additions with 71

    ExampleSum
    74 + 71145
    76 + 71147
    78 + 71149
    83 + 71154
    85 + 71156
    89 + 71160
    92 + 71163
    94 + 71165
    98 + 71169
    105 + 71176
    129 + 71200
    136 + 71207
    172 + 71243
    203 + 71274
    229 + 71300
    239 + 71310
    268 + 71339
    307 + 71378
    348 + 71419
    376 + 71447
    Recalculate with different values ↑

    FAQ

    What is 129 + 71?

    129 + 71 = 200

    How do you check that 129 + 71 = 200?

    Subtract one addend from the sum: 200 − 71 = 129, and 200 − 129 = 71. Getting the other addend back means the sum is right.

    How many carries are there in 129 + 71?

    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 71 + 129 the same as 129 + 71?

    Yes. Addition is commutative, so both give 200; the column looks the same with either number on top.

    See Also