What is longmult 30*12 ?

The solution to longmult 30*12 is 360

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Multiply 30*12

long multiplication

30 \cdot 12

360

Solution steps

30 \cdot 12

Line up the numbers

\times 3102

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 3102

Mutliply the bold numbers:

0 \cdot 2 = 0

\frac{\times 3 1 0 2}{0}

Mutliply the bold numbers:

3 \cdot 2 = 6

\frac{\times 3 1 0 2}{6 0}

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

\frac{\times 3 1 0 2}{6 0}

Mutliply the bold numbers:

0 \cdot 1 = 0

\frac{\times 3 1 0 2}{6 0 0}

Mutliply the bold numbers:

3 \cdot 1 = 3

\frac{\times 3 1 0 2}{3 6 0 0}

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

\frac{\times 3 1 0 2}{0 3 6 0 0 0}

60 + 300 = 360

+ 036000

Add the digits of the bolded column:

0 + 0 = 0

\frac{+ 0 3 6 0 0 0}{+ 0}

Add the digits of the bolded column:

6 + 0 = 6

\frac{+ 0 3 6 0 0 0}{+ 6 0}

Add the digits of the bolded column:

0 + 3 = 3

\frac{+ 0 3 6 0 0 0}{+ 3 6 0}

= 360

= 360

t h e \frac{21}{32}

t o a p erce n t a g e 13/16

\frac{3}{2}

50 - 12

\frac{18}{6}