How to calculate 51 multiplied by 51


Long Multiplication

How to calculate 51 multiplied by 51 using long multiplication. Here is step-by-step how to calculate 51 times 51 using long multiplication:

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

              5 1
      x       5 1
                 

Step 2: Multiply
1 x 1 = 1. Put 1 below the line and 0 as a reminder on top:

              0  
              5 1
      x       5 1
                1

Step 3: Multiply
1 x 5 = 5. Take 5 and add 0 from the previous step to get 5. Enter 5 at the bottom:

              5 1
      x       5 1
              5 1

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

              5 1
      x       5 1
              5 1
      +         0

Step 5: Multiply
5 x 1 = 5. Put 5 below the line and 0 as a reminder on top:

              0  
              5 1
      x       5 1
              5 1
      +       5 0

Step 6: Multiply
5 x 5 = 25. Take 25 and add 0 from the previous step to get 25. Enter 25 at the bottom:

              5 1
      x       5 1
              5 1
      +   2 5 5 0

Step 7: Add to get answer
Add up the bottom two numbers (51 + 2550 = 2601) to get the answer:

              5 1
      x       5 1
              5 1
      +   2 5 5 0
      =   2 6 0 1

The bottom line is the answer. Therefore, 51 times 51 equals:

2601


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How to calculate 52 multiplied by 51
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