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    Subtraction with Regrouping: 393 − 17

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 393 − 17?

    Answer

    393 − 17 =
    376

    With regrouping: 1 borrow — from the tens

    393 − 17 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.
    8+10
    3 9(was 9, now 8)3 (was 3, now 13)
    −17
    376

    Column by column: 393 − 17

    • Ones: 3 is less than 7 — borrow 1 ten: tens 9 → 8; 13 − 7 = 6 — write 6.
    • Tens: after borrowing, 8; 8 − 1 = 7 — write 7.
    • Hundreds: nothing to subtract — write 3.

    393 − 17 = 376

    Second check: 393 − 376 = 17

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    393 − 17 = 376 - Subtraction with Regrouping. 393 − 17 = 376. Subtraction with regrouping step by step: 1 borrow, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/393--17/generated.jpgCopy

    Column subtractions of 17

    ExampleDifference
    109 − 1792
    111 − 1794
    115 − 1798
    122 − 17105
    153 − 17136
    189 − 17172
    200 − 17183
    220 − 17203
    256 − 17239
    285 − 17268
    300 − 17283
    324 − 17307
    365 − 17348
    393 − 17376
    419 − 17402
    470 − 17453
    502 − 17485
    553 − 17536
    595 − 17578
    664 − 17647
    Recalculate with different values ↑

    FAQ

    What is 393 − 17?

    393 − 17 = 376

    How do you check that 393 − 17 = 376?

    Add the difference and the subtrahend: 376 + 17 = 393. Getting the minuend back means the difference is right.

    How many times do you borrow in 393 − 17?

    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