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    Subtraction with Regrouping: 108 − 45

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 108 − 45?

    Answer

    108 − 45 =
    63

    With regrouping: 1 borrow — from the hundreds

    108 − 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.
    0+10
    1(was 1, now 0)0 (was 0, now 10)8
    −45
    63

    Column by column: 108 − 45

    • Ones: 8 − 5 = 3 — write 3.
    • Tens: 0 is less than 4 — borrow 1 hundred: hundreds 1 → 0; 10 − 4 = 6 — write 6.
    • Hundreds: after borrowing, 0 — a leading zero is not written.

    108 − 45 = 63

    Second check: 108 − 63 = 45

    Similar examples to practise

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    108 − 45 = 63 - Subtraction with Regrouping. 108 − 45 = 63. Subtraction with regrouping step by step: 1 borrow, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/108--45/generated.jpgCopy

    Column subtractions of 45

    ExampleDifference
    90 − 4545
    92 − 4547
    97 − 4552
    99 − 4554
    103 − 4558
    108 − 4563
    110 − 4565
    112 − 4567
    114 − 4569
    116 − 4571
    119 − 4574
    121 − 4576
    123 − 4578
    128 − 4583
    130 − 4585
    134 − 4589
    137 − 4592
    139 − 4594
    143 − 4598
    150 − 45105
    Recalculate with different values ↑

    FAQ

    What is 108 − 45?

    108 − 45 = 63

    How do you check that 108 − 45 = 63?

    Add the difference and the subtrahend: 63 + 45 = 108. Getting the minuend back means the difference is right.

    How many times do you borrow in 108 − 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