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    Subtraction with Regrouping: 800 − 348

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 800 − 348?

    Answer

    800 − 348 =
    452

    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 − 348 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)
    −348
    452

    Column by column: 800 − 348

    • Ones: 0 is less than 8 — borrow 1 hundred across the zero: hundreds 8 → 7, tens 0 → 9; 10 − 8 = 2 — write 2.
    • Tens: after borrowing, 9; 9 − 4 = 5 — write 5.
    • Hundreds: after borrowing, 7; 7 − 3 = 4 — write 4.

    800 − 348 = 452

    Second check: 800 − 452 = 348

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    800 − 348 = 452 - Subtraction with Regrouping. 800 − 348 = 452. 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--348/generated.jpgCopy

    Column subtractions of 348

    ExampleDifference
    696 − 348348
    700 − 348352
    702 − 348354
    724 − 348376
    737 − 348389
    750 − 348402
    775 − 348427
    800 − 348452
    801 − 348453
    816 − 348468
    833 − 348485
    867 − 348519
    884 − 348536
    900 − 348552
    912 − 348564
    926 − 348578
    950 − 348602
    995 − 348647
    1,000 − 348652
    1,031 − 348683
    Recalculate with different values ↑

    FAQ

    What is 800 − 348?

    800 − 348 = 452

    How do you check that 800 − 348 = 452?

    Add the difference and the subtrahend: 452 + 348 = 800. Getting the minuend back means the difference is right.

    How many times do you borrow in 800 − 348?

    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 − 348?

    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