It is: 450/2000 or 9/40 in its simplest form
there are 2k in 2km
2km = 2000 meters.
2km 303 m -556
there are 10dm per meter. There are 2000 m per 2km. So there are 20,000dm in 2km.
450 as a fraction = 450/1
2km is shorter. 2 km = 2000 m
24
2000 m
-450 = -450/1
1.5 or 3/2km
.6 m
450/1 is.