778885 ÷ 7 
The aim is to understand the frequency of 7 in 778885.

Going ahead to step 1:
7 divided by 7 is 1 with a remainder of 0.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we subtract 7 from 7, we get 0.
Grab the next digit (7) from the dividend, add it to 0, then carry on: 7 / 7

On to step 2:
7 divided by 7 is 1 with a remainder of 0.
Use 1 as the next digit of our solution. 
Result so far: 11.0
Subtract 7 from 7 to get 0.
Grab the next digit (8) from the dividend, add it to 0, then carry on: 8 / 7

Step 3:
7 can be fit into 8 1 times, resulting in a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 111.0
If we take 7 away from 8, we end up with 1.
Take the next digit (8) from the dividend and append it to 1, then repeat: 18 / 7

On to step 4:
If we divide 18 by 7, we get 2 and a remainder of 4.
Write down 2 as next digit of the result. 
Result so far: 1112.0
Subtracting 14 from 18 leaves us with 4.
Include the next digit (8) from the dividend after 4, then repeat: 48 / 7

Moving on to step 5:
7 can be fit into 48 6 times, resulting in a remainder of 6.
Write down 6 as next digit of the result. 
Result so far: 11126.0
If we subtract 42 from 48, we get 6.
Take the next digit (5) from the dividend and append it to 6, then repeat: 65 / 7

Let's proceed to step 6:
If we divide 65 by 7, we get 9 and a remainder of 2.
Record the quotient 9 as the next digit in the result. 
Result so far: 111269.0
The remainder is 2 after subtracting 63 from 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 7:
20 divided by 7 is 2 with a remainder of 6.
Put 2 as the next digit of the answer. 
Result so far: 111269.2
Subtract 14 from 20 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 8:
When dividing 60 by 7, we get 8 with a remainder of 4.
Put 8 as the next digit of the answer. 
Result so far: 111269.28
If we subtract 56 from 60, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 9:
When dividing 40 by 7, we get 5 with a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 111269.285
If we take 35 away from 40, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 10:
50 divided by 7 is 7 with a remainder of 1.
The next digit of our result is 7. 
Result so far: 111269.2857
The remainder is 1 after subtracting 49 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 11:
If we divide 10 by 7, we get 1 and a remainder of 3.
The next digit of our result is 1. 
Result so far: 111269.28571
The remainder is 3 after subtracting 7 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 12:
When dividing 30 by 7, we get 4 with a remainder of 2.
Record the quotient 4 as the next digit in the result. 
Result so far: 111269.285714
If we take 28 away from 30, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 13:
When dividing 20 by 7, we get 2 with a remainder of 6.
Write down 2 as next digit of the result. 
Result so far: 111269.2857142
Subtract 14 from 20 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 14:
When dividing 60 by 7, we get 8 with a remainder of 4.
Put 8 as the next digit of the answer. 
Result so far: 111269.28571428
Subtract 56 from 60 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The quotient of the division is 111269.28571428, and the remainder is 4e-09.