71349615 divided by 90 
Let's see how many times 90 fits into 71349615.

Step 1:
The number 90 fits into 7 0 times, leaving a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Take the next digit (1) from the dividend and append it to 7, then repeat: 71 / 90

Let's proceed to step 2:
71 divided by 90 is 0 with a remainder of 71.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 71 to get 71.
Bring next digit (3) of the dividend behind the 71 and repeat the process: 713 / 90

Going ahead to step 3:
If we divide 713 by 90, we get 7 and a remainder of 83.
The next digit of our result is 7. 
Result so far: 7.0
The remainder is 83 after subtracting 630 from 713.
Grab the next digit (4) from the dividend, add it to 83, then carry on: 834 / 90

Moving on to step 4:
834 divided by 90 is 9 with a remainder of 24.
Write down 9 as next digit of the result. 
Result so far: 79.0
The remainder is 24 after subtracting 810 from 834.
Fetch the next digit (9) from the dividend, attach it to 24 and continue: 249 / 90

Moving on to step 5:
If we divide 249 by 90, we get 2 and a remainder of 69.
Write down 2 as next digit of the result. 
Result so far: 792.0
Subtracting 180 from 249 leaves us with 69.
Append the next digit (6) from the dividend to 69 and continue with: 696 / 90

Step 6:
When dividing 696 by 90, we get 7 with a remainder of 66.
The number 7 becomes the next digit in our result. 
Result so far: 7927.0
Subtract 630 from 696 to get 66.
Bring next digit (1) of the dividend behind the 66 and repeat the process: 661 / 90

Let's proceed to step 7:
90 goes into 661 7 times with a remainder of 31.
The next digit of our result is 7. 
Result so far: 79277.0
If we subtract 630 from 661, we get 31.
Take the next digit (5) from the dividend and append it to 31, then repeat: 315 / 90

On to step 8:
The number 90 fits into 315 3 times, leaving a remainder of 45.
Record the quotient 3 as the next digit in the result. 
Result so far: 792773.0
If we subtract 270 from 315, we get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

On to step 9:
The number 90 fits into 450 5 times, leaving a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 792773.5
If we subtract 450 from 450, we 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.

On to step 10:
0 divided by 90 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 792773.5
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.

Going ahead to step 11:
When dividing 0 by 90, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 792773.5
If we subtract 0 from 0, we 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.

The final result is 792773.5 with a remainder of 0.0.