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    Addition with Regrouping: 578 + 67

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 578 + 67?

    Answer

    578 + 67 =
    645

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

    578 + 67 in a column. Carries are the small circled digits above the columns.
    1carry1carry
    5 7 8
    +67
    645

    Column by column: 578 + 67

    • Ones: 8 + 7 = 15 — write 5, carry 1.
    • Tens: 7 + 6 + 1 = 14 — write 4, carry 1.
    • Hundreds: 5 + 1 = 6 — write 6.

    578 + 67 = 645

    Second check: 645 − 578 = 67

    Similar examples to practise

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    578 + 67 = 645 - Addition with Regrouping. 578 + 67 = 645. 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--67/generated.jpgCopy

    Column additions with 67

    ExampleSum
    105 + 67172
    133 + 67200
    136 + 67203
    172 + 67239
    203 + 67270
    233 + 67300
    239 + 67306
    268 + 67335
    307 + 67374
    333 + 67400
    348 + 67415
    376 + 67443
    402 + 67469
    433 + 67500
    453 + 67520
    485 + 67552
    533 + 67600
    536 + 67603
    578 + 67645
    647 + 67714
    Recalculate with different values ↑

    FAQ

    What is 578 + 67?

    578 + 67 = 645

    How do you check that 578 + 67 = 645?

    Subtract one addend from the sum: 645 − 67 = 578, and 645 − 578 = 67. Getting the other addend back means the sum is right.

    How many carries are there in 578 + 67?

    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 67 + 578 the same as 578 + 67?

    Yes. Addition is commutative, so both give 645; the column looks the same with either number on top.

    See Also