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    Addition with Regrouping: 17 + 15

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 17 + 15?

    Answer

    17 + 15 =
    32

    With regrouping: 1 carry — into the tens

    17 + 15 in a column. Carries are the small circled digits above the columns.
    1carry
    1 7
    +15
    32

    Column by column: 17 + 15

    • Ones: 7 + 5 = 12 — write 2, carry 1.
    • Tens: 1 + 1 + 1 = 3 — write 3.

    17 + 15 = 32

    Second check: 32 − 17 = 15

    Similar examples to practise

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    https://calculat.io/en/number/long-addition/17--15Copy
    <a href="https://calculat.io/en/number/long-addition/17--15">17 + 15 = 32 - Addition with Regrouping - Calculatio</a>Copy
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    17 + 15 = 32 - Addition with Regrouping. 17 + 15 = 32. Addition with regrouping step by step: 1 carry, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/17--15/generated.jpgCopy

    Column additions with 15

    ExampleSum
    15 + 1530
    17 + 1532
    19 + 1534
    23 + 1538
    26 + 1541
    28 + 1543
    34 + 1549
    36 + 1551
    39 + 1554
    41 + 1556
    45 + 1560
    47 + 1562
    52 + 1567
    54 + 1569
    58 + 1573
    63 + 1578
    65 + 1580
    67 + 1582
    69 + 1584
    71 + 1586
    Recalculate with different values ↑

    FAQ

    What is 17 + 15?

    17 + 15 = 32

    How do you check that 17 + 15 = 32?

    Subtract one addend from the sum: 32 − 15 = 17, and 32 − 17 = 15. Getting the other addend back means the sum is right.

    How many carries are there in 17 + 15?

    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 15 + 17 the same as 17 + 15?

    Yes. Addition is commutative, so both give 32; the column looks the same with either number on top.

    See Also