Write this ratio in its lowest form : 200ml to 1,800l

Answer 1

200 ml/ 1800 ml

= 1/9

ml's cancel, 100 factors cancels leaving 2/18 divide both numerator & denominator by 2 to get 1/9

1/9 is the smallest integer ratio

1/9 =0.111....

= 0.111.../1 but it's not a ratio of integers