What is longmult 11*11 ?

The solution to longmult 11*11 is 121

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longmult 11*11

long multiplication

11 \cdot 11

121

Solution steps

11 \cdot 11

Line up the numbers

\times 1111

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 1111

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 1 1}{1}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 1 1}{1 1}

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

\frac{\times 1 1 1 1}{1 1}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 1 1}{1 1 1}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 1 1}{1 1 1 1}

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

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

11 + 110 = 121

+ 011110

Add the digits of the bolded column:

1 + 0 = 1

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

Add the digits of the bolded column:

1 + 1 = 2

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

Add the digits of the bolded column:

0 + 1 = 1

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

= 121

= 121

1 - 4 \cdot (- 8)

\frac{1}{0.5}

\frac{78}{13}

7 \cdot 6 \cdot 5

1 - 0.4