How to calculate 40 multiplied by 28


Long Multiplication

How to calculate 40 multiplied by 28 using long multiplication. Here is step-by-step how to calculate 40 times 28 using long multiplication:

Step 1: Setup
Set up your multiplication problem like this:

              4 0
      x       2 8
                 

Step 2: Multiply
0 x 8 = 0. Put 0 below the line and 0 as a reminder on top:

              0  
              4 0
      x       2 8
                0

Step 3: Multiply
8 x 4 = 32. Take 32 and add 0 from the previous step to get 32. Enter 32 at the bottom:

              4 0
      x       2 8
            3 2 0

Step 4: Add 0
Enter a 0 at the bottom right as a place holder, because you now move over one digit:

              4 0
      x       2 8
            3 2 0
      +         0

Step 5: Multiply
2 x 0 = 0. Put 0 below the line and 0 as a reminder on top:

              0  
              4 0
      x       2 8
            3 2 0
      +       0 0

Step 6: Multiply
2 x 4 = 8. Take 8 and add 0 from the previous step to get 8. Enter 8 at the bottom:

              4 0
      x       2 8
            3 2 0
      +     8 0 0

Step 7: Add to get answer
Add up the bottom two numbers (320 + 800 = 1120) to get the answer:

              4 0
      x       2 8
            3 2 0
      +     8 0 0
      =   1 1 2 0

The bottom line is the answer. Therefore, 40 times 28 equals:

1120


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How to calculate 41 multiplied by 28
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