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    Addition with Regrouping: 647 + 427

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 647 + 427?

    Answer

    647 + 427 =
    1,074

    The sum is longer than the addends: 2 carries — into the tens and the thousands; the last one makes a new digit

    647 + 427 in a column. Carries are the small circled digits above the columns.
    1carry1carry
    6 4 7
    +427
    1074

    Column by column: 647 + 427

    • Ones: 7 + 7 = 14 — write 4, carry 1.
    • Tens: 4 + 2 + 1 = 7 — write 7.
    • Hundreds: 6 + 4 = 10 — write 0, carry 1.
    • Thousands: the carried 1 — write 1.

    647 + 427 = 1,074

    Second check: 1,074 − 647 = 427

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    647 + 427 = 1,074 - Addition with Regrouping. 647 + 427 = 1,074. Addition with regrouping step by step: 2 carries, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/647--427/generated.jpgCopy

    Column additions with 647

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    Recalculate with different values ↑

    FAQ

    What is 647 + 427?

    647 + 427 = 1,074

    How do you check that 647 + 427 = 1,074?

    Subtract one addend from the sum: 1,074 − 427 = 647, and 1,074 − 647 = 427. Getting the other addend back means the sum is right.

    How many carries are there in 647 + 427?

    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 427 + 647 the same as 647 + 427?

    Yes. Addition is commutative, so both give 1,074; the column looks the same with either number on top.

    See Also