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    Subtraction with Regrouping: 302 − 34

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 302 − 34?

    Answer

    302 − 34 =
    268

    With regrouping across a zero: 2 borrows — there are no tens to borrow from, so 1 hundred becomes 10 tens, and 1 ten goes to the ones

    302 − 34 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.
    29+10
    3(was 3, now 2)0(was 0, now 9)2 (was 2, now 12)
    −34
    268

    Column by column: 302 − 34

    • Ones: 2 is less than 4 — borrow 1 hundred across the zero: hundreds 3 → 2, tens 0 → 9; 12 − 4 = 8 — write 8.
    • Tens: after borrowing, 9; 9 − 3 = 6 — write 6.
    • Hundreds: after borrowing, 2; nothing to subtract — write 2.

    302 − 34 = 268

    Second check: 302 − 268 = 34

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    https://calculat.io/en/number/long-subtraction/302--34Copy
    <a href="https://calculat.io/en/number/long-subtraction/302--34">302 − 34 = 268 - Subtraction with Regrouping - Calculatio</a>Copy
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    302 − 34 = 268 - Subtraction with Regrouping. 302 − 34 = 268. Subtraction with regrouping step by step: 2 borrows across a zero, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/302--34/generated.jpgCopy

    Column subtractions of 34

    ExampleDifference
    119 − 3485
    123 − 3489
    126 − 3492
    128 − 3494
    132 − 3498
    139 − 34105
    170 − 34136
    206 − 34172
    237 − 34203
    273 − 34239
    302 − 34268
    341 − 34307
    382 − 34348
    410 − 34376
    436 − 34402
    487 − 34453
    519 − 34485
    570 − 34536
    612 − 34578
    681 − 34647
    Recalculate with different values ↑

    FAQ

    What is 302 − 34?

    302 − 34 = 268

    How do you check that 302 − 34 = 268?

    Add the difference and the subtrahend: 268 + 34 = 302. Getting the minuend back means the difference is right.

    How many times do you borrow in 302 − 34?

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

    Why does 0 become 9 when borrowing in 302 − 34?

    The zero has nothing to lend, so it first borrows 1 from its left neighbour and becomes 10; then it lends 1 to the column on its right and keeps 9.

    See Also