What is longmult 19*180 ?

The solution to longmult 19*180 is 3420

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Popular >

19*180

Solution

long multiplication

19 \cdot 180

Solution

3420

Solution steps

19 \cdot 180

Line up the numbers

\times 11890

For convenience, place the longer number on top

180 \cdot 19

Line up the numbers

\times 18109

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 18109

Mutliply the bold numbers:

0 \cdot 9 = 0

\frac{\times 1 8 1 0 9}{0}

Mutliply the bold numbers:

8 \cdot 9 = 72

Carry

7

to the column on the left and write

2

in the result line

\frac{\times 7 1 8 1 0 9}{2 0}

Add the carried number to the multiplication:

7 + 1 \cdot 9 = 16

Carry

1

to the column on the left and write

6

in the result line

\frac{\times 1 7 1 8 1 0 9}{6 2 0}

Add the carried digit,

1

, to the result

\frac{\times 1 7 1 8 1 0 9}{1 6 2 0}

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

\frac{\times 1 8 1 0 9}{1 6 2 0}

Mutliply the bold numbers:

0 \cdot 1 = 0

\frac{\times 1 8 1 0 9}{1 6 2 0 0}

Mutliply the bold numbers:

8 \cdot 1 = 8

\frac{\times 1 8 1 0 9}{1 6 8 2 0 0}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 8 1 0 9}{1 1 6 8 2 0 0}

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

\frac{\times 1 8 1 0 9}{1 1 6 8 2 0 0 0}

1620 + 1800 = 3420

+ 11682000

Add the digits of the bolded column:

0 + 0 = 0

\frac{+ 1 1 6 8 2 0 0 0}{+ 0}

Add the digits of the bolded column:

2 + 0 = 2

\frac{+ 1 1 6 8 2 0 0 0}{+ 2 0}

Add the digits of the bolded column:

6 + 8 = 14

\frac{+ 1 1 6 8 2 0 0 0}{+ 2 0}

Carry

1

to the column on the left and write

4

in the bolded column

\frac{+ 1 1 1 6 8 2 0 0 0}{+ 4 2 0}

Add the digits of the bolded column:

1 + 1 + 1 = 3

\frac{+ 1 1 1 6 8 2 0 0 0}{+ 3 4 2 0}

= 3420

= 3420

Popular Examples

Convert to a Mixed Number 13/15 mixed number

\frac{13}{15}

Convert to a Percentage 89/100 convert

t o a p erce n t a g e 89/100

Convert to a Simplified Fraction 0.333333333333333 decimal to fraction

0.3333333333333

Convert to a Simplified Fraction -2.6 decimal to fraction

- 2.6

Find the GCF 20 , 36 gcf

20, 36

Frequently Asked Questions (FAQ)

What is longmult 19*180 ?
The solution to longmult 19*180 is 3420