What is longmult 13*17 ?

The solution to longmult 13*17 is 221

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

Multiply 13*17

long multiplication

13 \cdot 17

221

Solution steps

13 \cdot 17

Line up the numbers

\times 1137

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 1137

Mutliply the bold numbers:

3 \cdot 7 = 21

Carry

2

to the column on the left and write

1

in the result line

\frac{\times 2 1 1 3 7}{1}

Add the carried number to the multiplication:

2 + 1 \cdot 7 = 9

\frac{\times 2 1 1 3 7}{9 1}

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

\frac{\times 1 1 3 7}{9 1}

Mutliply the bold numbers:

3 \cdot 1 = 3

\frac{\times 1 1 3 7}{9 3 1}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 3 7}{1 9 3 1}

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

\frac{\times 1 1 3 7}{0 1 9 3 1 0}

91 + 130 = 221

+ 019310

Add the digits of the bolded column:

1 + 0 = 1

\frac{+ 0 1 9 3 1 0}{+ 1}

Add the digits of the bolded column:

9 + 3 = 12

\frac{+ 0 1 9 3 1 0}{+ 1}

Carry

1

to the column on the left and write

2

in the bolded column

\frac{+ 1 0 1 9 3 1 0}{+ 2 1}

Add the digits of the bolded column:

1 + 0 + 1 = 2

\frac{+ 1 0 1 9 3 1 0}{+ 2 2 1}

= 221

= 221

ro u n d t o t h e n e a res t t h o u s an d t h 1.14733700

t o a p erce n t a g e 13/4

t h e \frac{18}{36}

5

\frac{16.5}{3}