2.5
800
64,000 divided by 80 = 800
800 divided 90 = 8.88888888888889
1.2346
32
800
0.8889
0.9075
There are 1000 metres in one kilometre. Therefore, 800 kilometres is equal to 800 x 1000 = 800000 metres.
LCM(800, 1000) = 4000.
800/1000 in lowest terms is 4/5