2537840 ÷ 651 
The aim is to understand the frequency of 651 in 2537840.

Advancing to step 1:
When dividing 2 by 651, we get 0 with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 651

On to step 2:
The number 651 fits into 25 0 times, leaving a remainder of 25.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 25, we get 25.
Include the next digit (3) from the dividend after 25, then repeat: 253 / 651

Moving on to step 3:
If we divide 253 by 651, we get 0 and a remainder of 253.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 253 leaves us with 253.
Fetch the next digit (7) from the dividend, attach it to 253 and continue: 2537 / 651

Going ahead to step 4:
The number 651 fits into 2537 3 times, leaving a remainder of 584.
The next digit of our result is 3. 
Result so far: 3.0
Subtracting 1953 from 2537 leaves us with 584.
Fetch the next digit (8) from the dividend, attach it to 584 and continue: 5848 / 651

Moving on to step 5:
The number 651 fits into 5848 8 times, leaving a remainder of 640.
Put 8 as the next digit of the answer. 
Result so far: 38.0
If we subtract 5208 from 5848, we get 640.
Fetch the next digit (4) from the dividend, attach it to 640 and continue: 6404 / 651

On to step 6:
651 can be fit into 6404 9 times, resulting in a remainder of 545.
Write down 9 as next digit of the result. 
Result so far: 389.0
The remainder is 545 after subtracting 5859 from 6404.
Include the next digit (0) from the dividend after 545, then repeat: 5450 / 651

On to step 7:
The number 651 fits into 5450 8 times, leaving a remainder of 242.
The number 8 becomes the next digit in our result. 
Result so far: 3898.0
If we take 5208 away from 5450, we end up with 242.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

Advancing to step 8:
651 can be fit into 2420 3 times, resulting in a remainder of 467.
The number 3 becomes the next digit in our result. 
Result so far: 3898.3
Subtract 1953 from 2420 to get 467.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4670, and continue the process.

On to step 9:
If we divide 4670 by 651, we get 7 and a remainder of 113.
Use 7 as the next digit of our solution. 
Result so far: 3898.37
The remainder is 113 after subtracting 4557 from 4670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1130, and continue the process.

Step 10:
When dividing 1130 by 651, we get 1 with a remainder of 479.
Use 1 as the next digit of our solution. 
Result so far: 3898.371
The remainder is 479 after subtracting 651 from 1130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4790, and continue the process.

Going ahead to step 11:
If we divide 4790 by 651, we get 7 and a remainder of 233.
Write down 7 as next digit of the result. 
Result so far: 3898.3717
If we subtract 4557 from 4790, we get 233.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2330, and continue the process.

Let's proceed to step 12:
When dividing 2330 by 651, we get 3 with a remainder of 377.
The number 3 becomes the next digit in our result. 
Result so far: 3898.37173
Subtracting 1953 from 2330 leaves us with 377.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3770, and continue the process.

Going ahead to step 13:
If we divide 3770 by 651, we get 5 and a remainder of 515.
The number 5 becomes the next digit in our result. 
Result so far: 3898.371735
The remainder is 515 after subtracting 3255 from 3770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5150, and continue the process.

Advancing to step 14:
If we divide 5150 by 651, we get 7 and a remainder of 593.
Put 7 as the next digit of the answer. 
Result so far: 3898.3717357
Subtracting 4557 from 5150 leaves us with 593.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5930, and continue the process.

Let's proceed to step 15:
651 goes into 5930 9 times with a remainder of 71.
Put 9 as the next digit of the answer. 
Result so far: 3898.37173579
If we take 5859 away from 5930, we end up with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

After the division, we end up with 3898.37173579 and a remainder of 7.1e-08.