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    Subtraction with Regrouping: 151 − 15

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 151 − 15?

    Answer

    151 − 15 =
    136

    With regrouping: 1 borrow — from the tens

    151 − 15 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.
    4+10
    1 5(was 5, now 4)1 (was 1, now 11)
    −15
    136

    Column by column: 151 − 15

    • Ones: 1 is less than 5 — borrow 1 ten: tens 5 → 4; 11 − 5 = 6 — write 6.
    • Tens: after borrowing, 4; 4 − 1 = 3 — write 3.
    • Hundreds: nothing to subtract — write 1.

    151 − 15 = 136

    Second check: 151 − 136 = 15

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    151 − 15 = 136 - Subtraction with Regrouping. 151 − 15 = 136. Subtraction with regrouping step by step: 1 borrow, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/151--15/generated.jpgCopy

    Column subtractions of 15

    ExampleDifference
    89 − 1574
    91 − 1576
    93 − 1578
    98 − 1583
    100 − 1585
    104 − 1589
    107 − 1592
    109 − 1594
    113 − 1598
    120 − 15105
    151 − 15136
    187 − 15172
    218 − 15203
    254 − 15239
    283 − 15268
    322 − 15307
    363 − 15348
    391 − 15376
    417 − 15402
    468 − 15453
    Recalculate with different values ↑

    FAQ

    What is 151 − 15?

    151 − 15 = 136

    How do you check that 151 − 15 = 136?

    Add the difference and the subtrahend: 136 + 15 = 151. Getting the minuend back means the difference is right.

    How many times do you borrow in 151 − 15?

    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