rational numbers are written in form a/b
3.24242424....
what we can do is
3.24242424=3+0.24242424
x=0.242424
100x=24.242424
100x-x=24.242424-0.242424
99x=24
divide by 99 both sides
x=24/99
x=8/33
3.242424=3+0.242424=3+8/33=99/33+8/33=107/33
the number is 107/33