Multiply 45*55

Math
45⋅55
Multiply using long multiplication.
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Multiply 5 by 5. Place the ones digit (5) in the result line and carry the tens digit (2). There is one result line for each digit in 55.
2
45
⨯55
5
Multiply 5 by 4 and add the carried 2. Place the ones digit (2) in the result line and carry the tens digit (2). There is one result line for each digit in the 55.
45
⨯55
225
Multiply 5 by 5. Place the ones digit (5) in the result line and carry the tens digit (2). There is one result line for each digit in 55.
2
45
⨯55
225
5
Multiply 5 by 4 and add the carried 2. Place the ones digit (2) in the result line and carry the tens digit (2). There is one result line for each digit in the 55.
45
⨯55
225
225
Add the numbers in each column. In this case, add 5+0, then place the 5 in the result line.
45
⨯55
225
225
5
Add the numbers in each column. In this case, add 2+5, then place the 7 in the result line.
45
⨯55
225
225
75
Add the numbers in each column. In this case, add 2+2, then place the 4 in the result line.
45
⨯55
225
225
475
Add the numbers in each column. In this case, add 0+2, then place the 2 in the result line.
45
⨯55
225
225
2475
45
⨯55
225
225
2475
The result of 45⋅55 is 2475.
2475
Multiply 45*55

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