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    Addition with Regrouping: 45 + 36

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 45 + 36?

    Answer

    45 + 36 =
    81

    With regrouping: 1 carry — into the tens

    45 + 36 in a column. Carries are the small circled digits above the columns.
    1carry
    4 5
    +36
    81

    Column by column: 45 + 36

    • Ones: 5 + 6 = 11 — write 1, carry 1.
    • Tens: 4 + 3 + 1 = 8 — write 8.

    45 + 36 = 81

    Second check: 81 − 45 = 36

    Similar examples to practise

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    45 + 36 = 81 - Addition with Regrouping. 45 + 36 = 81. Addition with regrouping step by step: 1 carry, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/45--36/generated.jpgCopy

    Column additions with 36

    ExampleSum
    36 + 3672
    39 + 3675
    41 + 3677
    45 + 3681
    47 + 3683
    52 + 3688
    54 + 3690
    58 + 3694
    63 + 3699
    64 + 36100
    65 + 36101
    67 + 36103
    69 + 36105
    71 + 36107
    74 + 36110
    76 + 36112
    78 + 36114
    83 + 36119
    85 + 36121
    89 + 36125
    Recalculate with different values ↑

    FAQ

    What is 45 + 36?

    45 + 36 = 81

    How do you check that 45 + 36 = 81?

    Subtract one addend from the sum: 81 − 36 = 45, and 81 − 45 = 36. Getting the other addend back means the sum is right.

    How many carries are there in 45 + 36?

    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 36 + 45 the same as 45 + 36?

    Yes. Addition is commutative, so both give 81; the column looks the same with either number on top.

    See Also