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    Subtraction with Regrouping: 400 − 58

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 400 − 58?

    Answer

    400 − 58 =
    342

    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

    400 − 58 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.
    39+10
    4(was 4, now 3)0(was 0, now 9)0 (was 0, now 10)
    −58
    342

    Column by column: 400 − 58

    • Ones: 0 is less than 8 — borrow 1 hundred across the zero: hundreds 4 → 3, tens 0 → 9; 10 − 8 = 2 — write 2.
    • Tens: after borrowing, 9; 9 − 5 = 4 — write 4.
    • Hundreds: after borrowing, 3; nothing to subtract — write 3.

    400 − 58 = 342

    Second check: 400 − 342 = 58

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    https://calculat.io/en/number/long-subtraction/400--58Copy
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    400 − 58 = 342 - Subtraction with Regrouping. 400 − 58 = 342. 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/400--58/generated.jpgCopy

    Column subtractions of 58

    ExampleDifference
    150 − 5892
    152 − 5894
    156 − 5898
    163 − 58105
    194 − 58136
    230 − 58172
    261 − 58203
    297 − 58239
    326 − 58268
    365 − 58307
    400 − 58342
    406 − 58348
    434 − 58376
    460 − 58402
    500 − 58442
    511 − 58453
    543 − 58485
    594 − 58536
    600 − 58542
    636 − 58578
    Recalculate with different values ↑

    FAQ

    What is 400 − 58?

    400 − 58 = 342

    How do you check that 400 − 58 = 342?

    Add the difference and the subtrahend: 342 + 58 = 400. Getting the minuend back means the difference is right.

    How many times do you borrow in 400 − 58?

    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 400 − 58?

    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