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    Column Addition: 83 + 15

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 83 + 15?

    Answer

    83 + 15 =
    98

    No regrouping: each column is added on its own

    83 + 15 in a column. No carries.
    8 3
    +15
    98

    Column by column: 83 + 15

    • Ones: 3 + 5 = 8 — write 8.
    • Tens: 8 + 1 = 9 — write 9.

    83 + 15 = 98

    Second check: 98 − 83 = 15

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    83 + 15 = 98 - Column Addition. 83 + 15 = 98. Column addition step by step: no carrying, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/83--15/generated.jpgCopy

    Column additions with 15

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    Recalculate with different values ↑

    FAQ

    What is 83 + 15?

    83 + 15 = 98

    How do you check that 83 + 15 = 98?

    Subtract one addend from the sum: 98 − 15 = 83, and 98 − 83 = 15. Getting the other addend back means the sum is right.

    How many carries are there in 83 + 15?

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

    Is 15 + 83 the same as 83 + 15?

    Yes. Addition is commutative, so both give 98; the column looks the same with either number on top.

    See Also