You are making necklaces for your friends. You have 72 blue beads and 42 red beads. Each friend will receive an identical necklace and all beads must be used. What is the greatest number of friends who can receive a necklace?
1 Answer
6 friends
Explanation:
In a question like this, you are trying to find the Highest Common Denominator, or HCF. This can be done manually, by finding all the factors of 42
This process works with any two numbers which you want to find the HCF of, and can be simplified into this rule:
If
The HCF
I hope that helped!