What is longmult 400*45 ?

The solution to longmult 400*45 is 18000

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Popular >

Multiply 400*45

Solution

long multiplication

400 \cdot 45

Solution

18000

Solution steps

400 \cdot 45

Line up the numbers

\times 40405

Multiply the top number by the bottom number one digit at a time starting with the ones digit (from right to left)

Multiply the top number by the bolded digit of the bottom number

\times 40405

Mutliply the bold numbers:

0 \cdot 5 = 0

\frac{\times 4 0 4 0 5}{0}

Mutliply the bold numbers:

0 \cdot 5 = 0

\frac{\times 4 0 4 0 5}{0 0}

Mutliply the bold numbers:

4 \cdot 5 = 20

Carry

2

to the column on the left and write

0

in the result line

\frac{\times 2 4 0 4 0 5}{0 0 0}

Add the carried digit,

2

, to the result

\frac{\times 2 4 0 4 0 5}{2 0 0 0}

Multiply the top number by the bolded digit of the bottom number

\frac{\times 4 0 4 0 5}{2 0 0 0}

Mutliply the bold numbers:

0 \cdot 4 = 0

\frac{\times 4 0 4 0 5}{2 0 0 0 0}

Mutliply the bold numbers:

0 \cdot 4 = 0

\frac{\times 4 0 4 0 5}{2 0 0 0 0 0}

Mutliply the bold numbers:

4 \cdot 4 = 16

Carry

1

to the column on the left and write

6

in the result line

\frac{\times 1 4 0 4 0 5}{2 6 0 0 0 0 0}

Add the carried digit,

1

, to the result

\frac{\times 1 4 0 4 0 5}{1 2 6 0 0 0 0 0}

Add the rows to get the answer. For simplicity, fill in trailing zeros

\frac{\times 4 0 4 0 5}{0 1 2 6 0 0 0 0 0 0}

2000 + 16000 = 18000

= 18000

Popular Examples

Simplify 9/56

\frac{9}{56}

Reduce the Fraction 225/360 reduce fraction

t h e \frac{225}{360}

Divide 40÷3 long division

\frac{40}{3}

Convert to a Simplified Fraction 0.63 decimal to fraction

0.63

Convert to a Mixed Number 7/9 mixed number

\frac{7}{9}

Frequently Asked Questions (FAQ)

What is longmult 400*45 ?
The solution to longmult 400*45 is 18000