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    Addition with Regrouping: 8,042 + 4,805

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 8,042 + 4,805?

    Answer

    8,042 + 4,805 =
    12,847

    The sum is longer than the addends: 1 carry — into the ten thousands; the last one makes a new digit

    8,042 + 4,805 in a column. Carries are the small circled digits above the columns.
    1carry
    8 0 4 2
    +4805
    12847

    Column by column: 8,042 + 4,805

    • Ones: 2 + 5 = 7 — write 7.
    • Tens: 4 + 0 = 4 — write 4.
    • Hundreds: 0 + 8 = 8 — write 8.
    • Thousands: 8 + 4 = 12 — write 2, carry 1.
    • Ten thousands: the carried 1 — write 1.

    8,042 + 4,805 = 12,847

    Second check: 12,847 − 8,042 = 4,805

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    https://calculat.io/en/number/long-addition/8042--4805Copy
    <a href="https://calculat.io/en/number/long-addition/8042--4805">8,042 + 4,805 = 12,847 - Addition with Regrouping</a>Copy
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    8,042 + 4,805 = 12,847 - Addition with Regrouping. 8,042 + 4,805 = 12,847. Addition with regrouping step by step: 1 carry, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/8042--4805/generated.jpgCopy

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    Recalculate with different values ↑

    FAQ

    What is 8,042 + 4,805?

    8,042 + 4,805 = 12,847

    How do you check that 8,042 + 4,805 = 12,847?

    Subtract one addend from the sum: 12,847 − 4,805 = 8,042, and 12,847 − 8,042 = 4,805. Getting the other addend back means the sum is right.

    How many carries are there in 8,042 + 4,805?

    1 carry: 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 4,805 + 8,042 the same as 8,042 + 4,805?

    Yes. Addition is commutative, so both give 12,847; the column looks the same with either number on top.

    See Also