Using long division to determine what 1200 divided by 45 is may be illustrated as follows:

26.6

451200.0
90

300
270

30 0...
27 0

30...
in words:
* 45 does not go into 1 or 12, but goes into 120 twice.
* Subtract 2 * 45 (90) from 120 to get 30
* Bring down the 0 after 120 and append to the 30 to get 300
* 45 goes into 300 six times
* Subtract 6 * 45 (270) from 300 to get 30
* Since there are no more digits and there is no decimal point, add a decimal point and a 0 after the decimal point
* Bring down the 0 after the decimal point and append to the 30 to get 300
* 45 goes into 300 six times
* Subtract 6 * 45 (270) from 300 to get 30
* Since there are no more digits and there IS a decimal point, add a 0 after the last number (now, a zero)
* Bring down the 0 after the decimal point and append to the 30 to get 300
* Rinse, wash and repeat  the answer is a rational repeater of 26.666...
31.5789
66
31 divided by 4267 using long div = 0.0072650574173892665
Using long division 360 divided by 6 is 60
143
988.1667
54
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18
33.25
1.7857
19