How to calculate 45 multiplied by 9 using long multiplication. Here is step-by-step how to calculate 45 times 9 using long multiplication:
Step 1: Setup
Set up your multiplication problem like this:
| 4 | 5 | |||||||
| x | 9 | |||||||
Step 2: Multiply
9 x 5 = 45. Put 5 below the line and 4 as a reminder on top:
| 4 | ||||||||
| 4 | 5 | |||||||
| x | 9 | |||||||
| 5 |
Step 3: Multiply
9 x 4 = 36. Take 36 and add 4 from the previous step to get 40. Enter 40 at the bottom:
| 4 | 5 | |||||||
| x | 9 | |||||||
| 4 | 0 | 5 |
The bottom line is the answer. Therefore, 45 times 9 equals:
405
Long Multiplication Calculator
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How to calculate 46 multiplied by 9
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