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    Subtraction with Regrouping: 34 − 15

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 34 − 15?

    Answer

    34 − 15 =
    19

    With regrouping: 1 borrow — from the tens

    34 − 15 in a column. Above the columns: the values after borrowing — a crossed-out digit is replaced by the number above it; +10 marks a column that received a borrowed ten.
    2+10
    3(was 3, now 2)4 (was 4, now 14)
    −15
    19

    Column by column: 34 − 15

    • Ones: 4 is less than 5 — borrow 1 ten: tens 3 → 2; 14 − 5 = 9 — write 9.
    • Tens: after borrowing, 2; 2 − 1 = 1 — write 1.

    34 − 15 = 19

    Second check: 34 − 19 = 15

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    https://calculat.io/en/number/long-subtraction/34--15Copy
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    34 − 15 = 19 - Subtraction with Regrouping. 34 − 15 = 19. Subtraction with regrouping step by step: 1 borrow, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/34--15/generated.jpgCopy

    Column subtractions of 15

    ExampleDifference
    30 − 1515
    32 − 1517
    34 − 1519
    38 − 1523
    41 − 1526
    43 − 1528
    49 − 1534
    51 − 1536
    54 − 1539
    56 − 1541
    60 − 1545
    62 − 1547
    67 − 1552
    69 − 1554
    73 − 1558
    78 − 1563
    80 − 1565
    82 − 1567
    84 − 1569
    86 − 1571
    Recalculate with different values ↑

    FAQ

    What is 34 − 15?

    34 − 15 = 19

    How do you check that 34 − 15 = 19?

    Add the difference and the subtrahend: 19 + 15 = 34. Getting the minuend back means the difference is right.

    How many times do you borrow in 34 − 15?

    1 borrow: each time the top digit was smaller than the one below it, 1 was borrowed from the column on the left.

    See Also