What is longmult 100*12 ?

The solution to longmult 100*12 is 1200

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Multiply 100*12

long multiplication

100 \cdot 12

1200

Solution steps

100 \cdot 12

Line up the numbers

\times 10102

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 10102

Mutliply the bold numbers:

0 \cdot 2 = 0

\frac{\times 1 0 1 0 2}{0}

Mutliply the bold numbers:

0 \cdot 2 = 0

\frac{\times 1 0 1 0 2}{0 0}

Mutliply the bold numbers:

1 \cdot 2 = 2

\frac{\times 1 0 1 0 2}{2 0 0}

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

\frac{\times 1 0 1 0 2}{2 0 0}

Mutliply the bold numbers:

0 \cdot 1 = 0

\frac{\times 1 0 1 0 2}{2 0 0 0}

Mutliply the bold numbers:

0 \cdot 1 = 0

\frac{\times 1 0 1 0 2}{2 0 0 0 0}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 0 1 0 2}{1 2 0 0 0 0}

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

\frac{\times 1 0 1 0 2}{0 1 2 0 0 0 0 0}

200 + 1000 = 1200

= 1200

7.3

\frac{115}{5}

1 \frac{5}{6}

t h e \frac{72}{65}

\frac{500}{45}