Question

A man travelled 3/5 of his journey by metro rail 1/4 by taxi 1/8 by bus and the remaining 10 km on foot what is the length of his journey and how much distance did he cover by rail​

Answer 1

Answer:

3/5+1/4=10

now take lcm of 5 and 4

20 is lcm

4+5/20

9/20 is the answer