Question

three boys step off together from the same spot.Their steps measures 65cm,70cm,75cm,respectively.What is the minimum distance each should cover so that all can cover the distance in conplete steps?

Answer 1

Step-by-step explanation: we should take the lcm of 65,70,75

• 5   60,65,70
• 2     12,13,14

• 2     6, 13, 7

• 3     3 ,13, 7
• 3     1, 1 3 , 7

so the lcm of these numbers is= 16380cm

they should cover 16m 380cm to step over