540290 divided by 78 
The aim is to understand the frequency of 78 in 540290.

Let's proceed to step 1:
78 can be fit into 5 0 times, resulting in a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Take the next digit (4) from the dividend and append it to 5, then repeat: 54 / 78

Let's proceed to step 2:
78 can be fit into 54 0 times, resulting in a remainder of 54.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 54, we end up with 54.
Take the next digit (0) from the dividend and append it to 54, then repeat: 540 / 78

Let's proceed to step 3:
When dividing 540 by 78, we get 6 with a remainder of 72.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Subtracting 468 from 540 leaves us with 72.
Include the next digit (2) from the dividend after 72, then repeat: 722 / 78

Let's proceed to step 4:
When dividing 722 by 78, we get 9 with a remainder of 20.
The next digit of our result is 9. 
Result so far: 69.0
Deduct 702 from 722 and we're left with 20.
Bring next digit (9) of the dividend behind the 20 and repeat the process: 209 / 78

Step 5:
209 divided by 78 is 2 with a remainder of 53.
Record the quotient 2 as the next digit in the result. 
Result so far: 692.0
Deduct 156 from 209 and we're left with 53.
Fetch the next digit (0) from the dividend, attach it to 53 and continue: 530 / 78

Moving on to step 6:
If we divide 530 by 78, we get 6 and a remainder of 62.
The next digit of our result is 6. 
Result so far: 6926.0
The remainder is 62 after subtracting 468 from 530.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Let's proceed to step 7:
If we divide 620 by 78, we get 7 and a remainder of 74.
Record the quotient 7 as the next digit in the result. 
Result so far: 6926.7
If we subtract 546 from 620, we get 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 8:
740 divided by 78 is 9 with a remainder of 38.
The next digit of our result is 9. 
Result so far: 6926.79
Subtract 702 from 740 to get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Going ahead to step 9:
The number 78 fits into 380 4 times, leaving a remainder of 68.
The number 4 becomes the next digit in our result. 
Result so far: 6926.794
The remainder is 68 after subtracting 312 from 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Going ahead to step 10:
680 divided by 78 is 8 with a remainder of 56.
Use 8 as the next digit of our solution. 
Result so far: 6926.7948
If we subtract 624 from 680, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Going ahead to step 11:
78 goes into 560 7 times with a remainder of 14.
Put 7 as the next digit of the answer. 
Result so far: 6926.79487
If we take 546 away from 560, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Advancing to step 12:
78 can be fit into 140 1 times, resulting in a remainder of 62.
Put 1 as the next digit of the answer. 
Result so far: 6926.794871
If we subtract 78 from 140, we get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Let's proceed to step 13:
78 can be fit into 620 7 times, resulting in a remainder of 74.
Write down 7 as next digit of the result. 
Result so far: 6926.7948717
If we subtract 546 from 620, we get 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Let's proceed to step 14:
78 can be fit into 740 9 times, resulting in a remainder of 38.
Record the quotient 9 as the next digit in the result. 
Result so far: 6926.79487179
Deduct 702 from 740 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

The final outcome is 6926.79487179, with a leftover of 3.8e-08.