We look at the division of 70734320 by 961 
The aim is to understand the frequency of 961 in 70734320.

Step 1:
The number 961 fits into 7 0 times, leaving a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Grab the next digit (0) from the dividend, add it to 7, then carry on: 70 / 961

Advancing to step 2:
The number 961 fits into 70 0 times, leaving a remainder of 70.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 70, we get 70.
Include the next digit (7) from the dividend after 70, then repeat: 707 / 961

Advancing to step 3:
If we divide 707 by 961, we get 0 and a remainder of 707.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 707, we get 707.
Append the next digit (3) from the dividend to 707 and continue with: 7073 / 961

Going ahead to step 4:
961 goes into 7073 7 times with a remainder of 346.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
If we subtract 6727 from 7073, we get 346.
Bring next digit (4) of the dividend behind the 346 and repeat the process: 3464 / 961

Going ahead to step 5:
When dividing 3464 by 961, we get 3 with a remainder of 581.
Put 3 as the next digit of the answer. 
Result so far: 73.0
Deduct 2883 from 3464 and we're left with 581.
Include the next digit (3) from the dividend after 581, then repeat: 5813 / 961

Going ahead to step 6:
961 can be fit into 5813 6 times, resulting in a remainder of 47.
The number 6 becomes the next digit in our result. 
Result so far: 736.0
If we subtract 5766 from 5813, we get 47.
Append the next digit (2) from the dividend to 47 and continue with: 472 / 961

Moving on to step 7:
472 divided by 961 is 0 with a remainder of 472.
Put 0 as the next digit of the answer. 
Result so far: 7360.0
If we subtract 0 from 472, we get 472.
Bring next digit (0) of the dividend behind the 472 and repeat the process: 4720 / 961

Going ahead to step 8:
961 can be fit into 4720 4 times, resulting in a remainder of 876.
Write down 4 as next digit of the result. 
Result so far: 73604.0
The remainder is 876 after subtracting 3844 from 4720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8760, and continue the process.

Step 9:
961 can be fit into 8760 9 times, resulting in a remainder of 111.
Put 9 as the next digit of the answer. 
Result so far: 73604.9
If we take 8649 away from 8760, we end up with 111.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1110, and continue the process.

Moving on to step 10:
961 can be fit into 1110 1 times, resulting in a remainder of 149.
Use 1 as the next digit of our solution. 
Result so far: 73604.91
Deduct 961 from 1110 and we're left with 149.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1490, and continue the process.

On to step 11:
The number 961 fits into 1490 1 times, leaving a remainder of 529.
Record the quotient 1 as the next digit in the result. 
Result so far: 73604.911
Deduct 961 from 1490 and we're left with 529.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5290, and continue the process.

After the division, we end up with 73604.911 and a remainder of 0.0529.