What is longmult 12*10 ?

The solution to longmult 12*10 is 120

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Multiply 12*10

long multiplication

12 \cdot 10

120

Solution steps

12 \cdot 10

Line up the numbers

\times 1120

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 1120

Mutliply the bold numbers:

2 \cdot 0 = 0

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

Mutliply the bold numbers:

1 \cdot 0 = 0

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

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

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

Mutliply the bold numbers:

2 \cdot 1 = 2

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

Mutliply the bold numbers:

1 \cdot 1 = 1

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

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

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

0 + 120 = 120

+ 010200

Add the digits of the bolded column:

0 + 0 = 0

\frac{+ 0 1 0 2 0 0}{+ 0}

Add the digits of the bolded column:

0 + 2 = 2

\frac{+ 0 1 0 2 0 0}{+ 2 0}

Add the digits of the bolded column:

0 + 1 = 1

\frac{+ 0 1 0 2 0 0}{+ 1 2 0}

= 120

= 120

13 \cdot 16

24/ (1/2)

\frac{34}{4}

4 \frac{4}{5}

180