1 over 3
1/8
2/5
three over seven
18/85
728 and 3/4
1/3
372 written as a fraction is 372 over 1. (372/1)
587 over 100 simplified = 587/100
4/1000 = 1/250
Since the only prime factor of 81 is 3, you might divide top and bottom by 3, and see how often you can repeat that without getting decimals.
Yes: 4/24 = 1/6