79510590 ÷ 9 
Our goal is to divide 79510590 by 9.

On to step 1:
9 can be fit into 7 0 times, resulting in a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Grab the next digit (9) from the dividend, add it to 7, then carry on: 79 / 9

Step 2:
The number 9 fits into 79 8 times, leaving a remainder of 7.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
Subtracting 72 from 79 leaves us with 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 9

Let's proceed to step 3:
If we divide 75 by 9, we get 8 and a remainder of 3.
Use 8 as the next digit of our solution. 
Result so far: 88.0
Subtracting 72 from 75 leaves us with 3.
Append the next digit (1) from the dividend to 3 and continue with: 31 / 9

Advancing to step 4:
The number 9 fits into 31 3 times, leaving a remainder of 4.
Use 3 as the next digit of our solution. 
Result so far: 883.0
Subtracting 27 from 31 leaves us with 4.
Grab the next digit (0) from the dividend, add it to 4, then carry on: 40 / 9

On to step 5:
The number 9 fits into 40 4 times, leaving a remainder of 4.
Write down 4 as next digit of the result. 
Result so far: 8834.0
Subtracting 36 from 40 leaves us with 4.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 9

Moving on to step 6:
9 goes into 45 5 times with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 88345.0
If we take 45 away from 45, we end up with 0.
Take the next digit (9) from the dividend and append it to 0, then repeat: 9 / 9

On to step 7:
When dividing 9 by 9, we get 1 with a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 883451.0
If we subtract 9 from 9, we get 0.
Grab the next digit (0) from the dividend, add it to 0, then carry on: 0 / 9

Going ahead to step 8:
0 divided by 9 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 8834510.0
Subtract 0 from 0 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 9:
0 divided by 9 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 8834510.0
Deduct 0 from 0 and we're left 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.

Advancing to step 10:
9 can be fit into 0 0 times, resulting in a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 8834510.0
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.

After the division, we end up with 8834510.0 and a remainder of 0.0.