We look at the division of 90543348 by 70 
The aim is to understand the frequency of 70 in 90543348.

Let's proceed to step 1:
9 divided by 70 is 0 with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Bring next digit (0) of the dividend behind the 9 and repeat the process: 90 / 70

Let's proceed to step 2:
When dividing 90 by 70, we get 1 with a remainder of 20.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 70 from 90, we get 20.
Grab the next digit (5) from the dividend, add it to 20, then carry on: 205 / 70

On to step 3:
The number 70 fits into 205 2 times, leaving a remainder of 65.
Write down 2 as next digit of the result. 
Result so far: 12.0
The remainder is 65 after subtracting 140 from 205.
Fetch the next digit (4) from the dividend, attach it to 65 and continue: 654 / 70

Going ahead to step 4:
When dividing 654 by 70, we get 9 with a remainder of 24.
The next digit of our result is 9. 
Result so far: 129.0
Subtract 630 from 654 to get 24.
Take the next digit (3) from the dividend and append it to 24, then repeat: 243 / 70

Going ahead to step 5:
243 divided by 70 is 3 with a remainder of 33.
Put 3 as the next digit of the answer. 
Result so far: 1293.0
Subtract 210 from 243 to get 33.
Grab the next digit (3) from the dividend, add it to 33, then carry on: 333 / 70

Let's proceed to step 6:
333 divided by 70 is 4 with a remainder of 53.
Use 4 as the next digit of our solution. 
Result so far: 12934.0
If we take 280 away from 333, we end up with 53.
Include the next digit (4) from the dividend after 53, then repeat: 534 / 70

Step 7:
If we divide 534 by 70, we get 7 and a remainder of 44.
The number 7 becomes the next digit in our result. 
Result so far: 129347.0
The remainder is 44 after subtracting 490 from 534.
Grab the next digit (8) from the dividend, add it to 44, then carry on: 448 / 70

Step 8:
70 goes into 448 6 times with a remainder of 28.
Write down 6 as next digit of the result. 
Result so far: 1293476.0
The remainder is 28 after subtracting 420 from 448.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 9:
The number 70 fits into 280 4 times, leaving a remainder of 0.
The next digit of our result is 4. 
Result so far: 1293476.4
Subtract 280 from 280 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 10:
70 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 1293476.4
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 11:
70 can be fit into 0 0 times, resulting in a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 1293476.4
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 1293476.4 with a remaining 0.0.