Ratio of three numbers is4:5:6 & their LCM is 1800 then what is it's HCF? Share with your friends Share 0 Decoder_6 answered this 0 View Full Answer Twee answered this Hope this helps 0 ß®íj Möh@ñ $håhī answered this Dear shee, You answer will mislead him so, please check for the correct answer below 1 Ayush Pathak answered this Answer for this question is 30. If you found this helpful please give thumbs on it. Thanks. -1