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    Long Multiplication: 42 × 9

    Long Multiplication Calculator
    Multiplicand (number to be multiplied)
    Multiplier (number to multiply by)

    What is 42 × 9?

    Answer

    42 × 9 =
    378

    One partial product: 42 × 9 = 378. 9 × 42 gives the same 378.

    42 × 9 in a column

    42
    ×9
    378

    In the column: product 378.

    Step by step: 42 × 9

    1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 42 × 9 = 378.
      • 2 × 9 = 18. Write 8 and carry 1.
      • 4 × 9 = 36, plus the carried 1 makes 37. Write 7 and carry 3.
      • No digits are left, so the carried 3 is written in front: the partial product is 378.
    2. Product378

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    42 × 9 = 378 - Long Multiplication. 42 × 9 = 378. 9 × 42 gives the same product. Long multiplication step by step: every carry, every partial product and the final sum.
    https://calculat.io/en/number/long-multiplication/42--9/generated.jpgCopy

    Products of 42

    MultiplicationProduct
    32 × 9288
    33 × 9297
    34 × 9306
    35 × 9315
    36 × 9324
    37 × 9333
    38 × 9342
    39 × 9351
    40 × 9360
    41 × 9369
    42 × 9378
    43 × 9387
    44 × 9396
    45 × 9405
    46 × 9414
    47 × 9423
    48 × 9432
    49 × 9441
    50 × 9450
    51 × 9459
    Recalculate with different values ↑

    FAQ

    What is 42 × 9?

    42 × 9 = 378

    Is 42 × 9 the same as 9 × 42?

    Yes. Multiplication is commutative, so both come to 378. Only the working differs: this page multiplies by 9, which gives a single partial product.

    How do you check that 42 × 9 = 378?

    Divide the product back by one of the factors: 378 ÷ 9 = 42 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

    What are the partial products of 42 × 9?

    There is only one: the multiplier 9 has a single digit, so 42 × 9 = 378 is written straight under the line, with no addition step.

    See Also