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When you are trying to add or subtract unlike fractions.
Wiki User
∙ 2015-12-14 04:18:21
Wiki User
∙ 2011-02-25 16:23:01Most often in comparing, adding and subtracting fractions.
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When do you use GCF and LCM?
Gcf you use when you are finding the greatest factor for the numbers. Lcm you use when you are finding the smallest multiple in the numbers factors
What problems can be solved using gcf and LCM?
Use the GCF to reduce equivalent fractions. Use the LCM to add and subtract unlike fractions.
How do you use the prime factorizations to find the LCM of a and b?
a and b have no common prime factors. Their LCM is their product.
What is the LCM of 50 using prime factorization?
You need at least two numbers to find an LCM no matter what you use.
How do you use continuous division method to find the GCF and LCM of 35 and 14?
The GCF is 7.The LCM is 70.
Do you use GCF or LCM to find the least number of something?
you use the lcm (least common multiple).
When do you use GCF and LCM?
Gcf you use when you are finding the greatest factor for the numbers. Lcm you use when you are finding the smallest multiple in the numbers factors
What is the LCM of 8 and 108 using?
The LCM of 8 and 108 is 216, no matter what you use.
Do you use a venn diagram to find the LCM?
You can, but there are more efficient ways to find the LCM.
What is the LCM of 45 and 96?
LCM of 96 and 45 is 1440.
What are some uses of the LCM?
We use the LCM to find the least common denominator of unlike fractions.
What problems can be solved using gcf and LCM?
Use the GCF to reduce equivalent fractions. Use the LCM to add and subtract unlike fractions.
How do you find GCF and LCM?
To find the GCF and the LCM you have to first at least try to use prime factorization. So use factor trees. Or for the LCM find th least common multiples of the number.
How can you use LCM in your daily life?
You would use it when adding fractions.
How do you use the prime factorizations to find the LCM of a and b?
a and b have no common prime factors. Their LCM is their product.
What is the use of HCF and LCM?
The HCF helps when reducing fractions. The LCM helps when adding or subtracting fractions.
What is the LCM of 20 using prime factorization?
It doesn't matter which method you use. You still need at least two numbers to find an LCM. There is no LCM of 20.
