Long Multiplication: 40 × 9

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

What is 40 × 9?

Answer

40 × 9 =
360

One partial product: 40 × 9 = 360. 9 × 40 gives the same 360.

40 × 9 in a column

40
×9
360

In the column: product 360.

Step by step: 40 × 9

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 40 × 9 = 360.
    • 0 × 9 = 0. Write 0.
    • 4 × 9 = 36. Write 6 and carry 3.
    • No digits are left, so the carried 3 is written in front: the partial product is 360.
  2. Product360

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Recalculate with different values ↑

Products of 40

MultiplicationProduct
30 × 9270
31 × 9279
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

FAQ

What is 40 × 9?

40 × 9 = 360

Is 40 × 9 the same as 9 × 40?

Yes. Multiplication is commutative, so both come to 360. Only the working differs: this page multiplies by 9, which gives a single partial product.

How do you check that 40 × 9 = 360?

Divide the product back by one of the factors: 360 ÷ 9 = 40 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 40 × 9?

There is only one: the multiplier 9 has a single digit, so 40 × 9 = 360 is written straight under the line, with no addition step.

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