4 over 15 is already in lowest terms.
1.5% written as a fraction in simplest form is 3/200
It is: 15 and 11/50 in its simplest form
3/5 = 9/15
15/20 = 3/4
1/15
15 over 30 in simplest form is 1/2.
9/15 in its simplest form is 3/5
30/16 in simplest form is 15 over 8
11/15
1/7
It is: 9/15 = 3/5
2x over 15
15/6 = 5/2 = 2 1/2
12/15 = 4/5
13/15
2/15
15/19 is already in its simplest form, because '19' is a prime number, and there are NO factors of '19' except '1' & '19'.