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    Column Addition: 71 + 12

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 71 + 12?

    Answer

    71 + 12 =
    83

    No regrouping: each column is added on its own

    71 + 12 in a column. No carries.
    7 1
    +12
    83

    Column by column: 71 + 12

    • Ones: 1 + 2 = 3 — write 3.
    • Tens: 7 + 1 = 8 — write 8.

    71 + 12 = 83

    Second check: 83 − 71 = 12

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    71 + 12 = 83 - Column Addition. 71 + 12 = 83. Column addition step by step: no carrying, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/71--12/generated.jpgCopy

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    Recalculate with different values ↑

    FAQ

    What is 71 + 12?

    71 + 12 = 83

    How do you check that 71 + 12 = 83?

    Subtract one addend from the sum: 83 − 12 = 71, and 83 − 71 = 12. Getting the other addend back means the sum is right.

    How many carries are there in 71 + 12?

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

    Is 12 + 71 the same as 71 + 12?

    Yes. Addition is commutative, so both give 83; the column looks the same with either number on top.

    See Also