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    Subtraction with Regrouping: 393 − 45

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 393 − 45?

    Answer

    393 − 45 =
    348

    With regrouping: 1 borrow — from the tens

    393 − 45 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)
    −45
    348

    Column by column: 393 − 45

    • Ones: 3 is less than 5 — borrow 1 ten: tens 9 → 8; 13 − 5 = 8 — write 8.
    • Tens: after borrowing, 8; 8 − 4 = 4 — write 4.
    • Hundreds: nothing to subtract — write 3.

    393 − 45 = 348

    Second check: 393 − 348 = 45

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    393 − 45 = 348 - Subtraction with Regrouping. 393 − 45 = 348. 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--45/generated.jpgCopy

    Column subtractions of 45

    ExampleDifference
    130 − 4585
    134 − 4589
    137 − 4592
    139 − 4594
    143 − 4598
    150 − 45105
    181 − 45136
    217 − 45172
    248 − 45203
    284 − 45239
    313 − 45268
    352 − 45307
    393 − 45348
    421 − 45376
    447 − 45402
    498 − 45453
    530 − 45485
    581 − 45536
    623 − 45578
    692 − 45647
    Recalculate with different values ↑

    FAQ

    What is 393 − 45?

    393 − 45 = 348

    How do you check that 393 − 45 = 348?

    Add the difference and the subtrahend: 348 + 45 = 393. Getting the minuend back means the difference is right.

    How many times do you borrow in 393 − 45?

    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