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    Subtraction with Regrouping: 800 − 136

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 800 − 136?

    Answer

    800 − 136 =
    664

    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

    800 − 136 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.
    79+10
    8(was 8, now 7)0(was 0, now 9)0 (was 0, now 10)
    −136
    664

    Column by column: 800 − 136

    • Ones: 0 is less than 6 — borrow 1 hundred across the zero: hundreds 8 → 7, tens 0 → 9; 10 − 6 = 4 — write 4.
    • Tens: after borrowing, 9; 9 − 3 = 6 — write 6.
    • Hundreds: after borrowing, 7; 7 − 1 = 6 — write 6.

    800 − 136 = 664

    Second check: 800 − 664 = 136

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    800 − 136 = 664 - Subtraction with Regrouping. 800 − 136 = 664. 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/800--136/generated.jpgCopy

    Column subtractions of 136

    ExampleDifference
    512 − 136376
    525 − 136389
    538 − 136402
    563 − 136427
    589 − 136453
    604 − 136468
    621 − 136485
    655 − 136519
    672 − 136536
    700 − 136564
    714 − 136578
    738 − 136602
    783 − 136647
    800 − 136664
    819 − 136683
    900 − 136764
    1,000 − 136864
    2,000 − 1361,864
    5,000 − 1364,864
    10,000 − 1369,864
    Recalculate with different values ↑

    FAQ

    What is 800 − 136?

    800 − 136 = 664

    How do you check that 800 − 136 = 664?

    Add the difference and the subtrahend: 664 + 136 = 800. Getting the minuend back means the difference is right.

    How many times do you borrow in 800 − 136?

    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 800 − 136?

    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