Question

How do we know when to use HCF and LCM?

Pls explain how we ll know which one to use in the 3rd question provided in attachment ?

What is the key word?

I NEED HIGH QUALITY ANSWERS FOR MARKING THE BRAINLIEST!

Answer 1

Answer:

thank u for sending this to me

Answer 2

Answer:

ok, take example of bells,

they will ask when the bells will toll "together" or "simultaneous" , in this situation we will use LCM. other examples are three walkers or some thing else.

for HCF , they will ask to divide books or something else into equal stacks..