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    Addition with Regrouping: 1,422 + 578

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 1,422 + 578?

    Answer

    1,422 + 578 =
    2,000

    With regrouping: 3 carries — into the tens, the hundreds and the thousands

    1,422 + 578 in a column. Carries are the small circled digits above the columns.
    1carry1carry1carry
    1 4 2 2
    +578
    2000

    Column by column: 1,422 + 578

    • Ones: 2 + 8 = 10 — write 0, carry 1.
    • Tens: 2 + 7 + 1 = 10 — write 0, carry 1.
    • Hundreds: 4 + 5 + 1 = 10 — write 0, carry 1.
    • Thousands: 1 + 1 = 2 — write 2.

    1,422 + 578 = 2,000

    Second check: 2,000 − 1,422 = 578

    Similar examples to practise

    See Also

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    1,422 + 578 = 2,000 - Addition with Regrouping. 1,422 + 578 = 2,000. Addition with regrouping step by step: 3 carries, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/1422--578/generated.jpgCopy

    Column additions with 578

    ExampleSum
    1,417 + 5781,995
    1,418 + 5781,996
    1,419 + 5781,997
    1,420 + 5781,998
    1,421 + 5781,999
    1,422 + 5782,000
    1,423 + 5782,001
    1,424 + 5782,002
    1,425 + 5782,003
    1,426 + 5782,004
    1,427 + 5782,005

    FAQ

    What is 1,422 + 578?

    1,422 + 578 = 2,000

    How do you check that 1,422 + 578 = 2,000?

    Subtract one addend from the sum: 2,000 − 578 = 1,422, and 2,000 − 1,422 = 578. Getting the other addend back means the sum is right.

    How many carries are there in 1,422 + 578?

    3 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 578 + 1,422 the same as 1,422 + 578?

    Yes. Addition is commutative, so both give 2,000; the column looks the same with either number on top.