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    Addition with Regrouping: 578 + 122

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 578 + 122?

    Answer

    578 + 122 =
    700

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

    578 + 122 in a column. Carries are the small circled digits above the columns.
    1carry1carry
    5 7 8
    +122
    700

    Column by column: 578 + 122

    • Ones: 8 + 2 = 10 — write 0, carry 1.
    • Tens: 7 + 2 + 1 = 10 — write 0, carry 1.
    • Hundreds: 5 + 1 + 1 = 7 — write 7.

    578 + 122 = 700

    Second check: 700 − 578 = 122

    Similar examples to practise

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    578 + 122 = 700 - Addition with Regrouping. 578 + 122 = 700. Addition with regrouping step by step: 2 carries, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/578--122/generated.jpgCopy

    Column additions with 578

    ExampleSum
    578 + 74652
    578 + 76654
    578 + 78656
    578 + 83661
    578 + 85663
    578 + 89667
    578 + 92670
    578 + 94672
    578 + 98676
    578 + 105683
    578 + 122700
    578 + 128706
    578 + 136714
    578 + 149727
    578 + 172750
    578 + 187765
    578 + 203781
    578 + 214792
    578 + 222800
    578 + 239817
    Recalculate with different values ↑

    FAQ

    What is 578 + 122?

    578 + 122 = 700

    How do you check that 578 + 122 = 700?

    Subtract one addend from the sum: 700 − 122 = 578, and 700 − 578 = 122. Getting the other addend back means the sum is right.

    How many carries are there in 578 + 122?

    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 122 + 578 the same as 578 + 122?

    Yes. Addition is commutative, so both give 700; the column looks the same with either number on top.

    See Also