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long multiplication 423·411
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Solution
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Solution steps
Solve by:
One step at a time
423·411
Line up the numbers
4
2
3
×
4
1
1
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
4
2
3
×
4
1
1
Mutliply the bold numbers: 3·1=3
4
2
3
×
4
1
1
3
Mutliply the bold numbers: 2·1=2
4
2
3
×
4
1
1
2
3
Mutliply the bold numbers: 4·1=4
4
2
3
×
4
1
1
4
2
3
Multiply the top number by the bolded digit of the bottom number
4
2
3
×
4
1
1
4
2
3
Mutliply the bold numbers: 3·1=3
4
2
3
×
4
1
1
4
2
3
3
Mutliply the bold numbers: 2·1=2
4
2
3
×
4
1
1
4
2
3
2
3
Mutliply the bold numbers: 4·1=4
4
2
3
×
4
1
1
4
2
3
4
2
3
Multiply the top number by the bolded digit of the bottom number
4
2
3
×
4
1
1
4
2
3
4
2
3
Mutliply the bold numbers: 3·4=12
Carry 1 to the column on the left and write 2 in the result line
1
4
2
3
×
4
1
1
4
2
3
4
2
3
2
Add the carried number to the multiplication: 1+2·4=9
1
4
2
3
×
4
1
1
4
2
3
4
2
3
9
2
Mutliply the bold numbers: 4·4=16
Carry 1 to the column on the left and write 6 in the result line
1
1
4
2
3
×
4
1
1
4
2
3
4
2
3
6
9
2
Add the carried digit, 1, to the result
1
1
4
2
3
×
4
1
1
4
2
3
4
2
3
1
6
9
2
Add the rows to get the answer. For simplicity, fill in trailing zeros