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    Addition with Regrouping: 817 + 83

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 817 + 83?

    Answer

    817 + 83 =
    900

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

    817 + 83 in a column. Carries are the small circled digits above the columns.
    1carry1carry
    8 1 7
    +83
    900

    Column by column: 817 + 83

    • Ones: 7 + 3 = 10 — write 0, carry 1.
    • Tens: 1 + 8 + 1 = 10 — write 0, carry 1.
    • Hundreds: 8 + 1 = 9 — write 9.

    817 + 83 = 900

    Second check: 900 − 817 = 83

    Similar examples to practise

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    817 + 83 = 900 - Addition with Regrouping. 817 + 83 = 900. Addition with regrouping step by step: 2 carries, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/817--83/generated.jpgCopy

    Column additions with 83

    ExampleSum
    268 + 83351
    307 + 83390
    317 + 83400
    348 + 83431
    376 + 83459
    402 + 83485
    417 + 83500
    453 + 83536
    485 + 83568
    517 + 83600
    536 + 83619
    578 + 83661
    617 + 83700
    647 + 83730
    717 + 83800
    817 + 83900
    917 + 831,000
    1,917 + 832,000
    4,917 + 835,000
    9,917 + 8310,000
    Recalculate with different values ↑

    FAQ

    What is 817 + 83?

    817 + 83 = 900

    How do you check that 817 + 83 = 900?

    Subtract one addend from the sum: 900 − 83 = 817, and 900 − 817 = 83. Getting the other addend back means the sum is right.

    How many carries are there in 817 + 83?

    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 83 + 817 the same as 817 + 83?

    Yes. Addition is commutative, so both give 900; the column looks the same with either number on top.

    See Also