A and B are two continuous non-zero natural numbers whose least common multiple is () and the greatest common factor is () 5 hours 15 minutes = () hours = () hours 7 / 8 kg can represent 1 / 8 of 7 kg and a few parts of () kg If 6-x = 1.8, then 8.4/x = ()

A and B are two continuous non-zero natural numbers whose least common multiple is () and the greatest common factor is () 5 hours 15 minutes = () hours = () hours 7 / 8 kg can represent 1 / 8 of 7 kg and a few parts of () kg If 6-x = 1.8, then 8.4/x = ()

A and B are two continuous non-zero natural numbers. Their least common multiple is (AB) and the greatest common factor is (1)
5 hours 15 minutes = (5.25) hours = (5 1 / 4) hours
7 / 8 kg can mean 1 / 8 of 7 kg and 8 / 7 of (1) kg
If 6-x = 1.8, then 8.4/x = (2)