Greatest Common Fractor (gcf) And Least Common Multiple (lcm)

LCM and GCF

Many students. Many students. There are many reasons which make math a hard and most hated subjects of the average students. Many students. do not care about these basic concepts when there is a right time to learn these basic math skills.

After reading this article students who luck the knowledge of least commonly these skills and they can apply these knowledge in higher math concepts, such as solving fractions or algebraic expressions.

Least Common Multiple (LCM):

To find least number. To find least common multiple of two numbers students have to find multiples of both numbers and pick a common multiple That smallest common multiple of both numbers is called the least common multiple.

To find "lcm" of these numbers write the first 5 multiples of both numbers as shown below:

6 = 6, 12, 18, 24, 30

8 = 8, 16, 24, 32, 40

Now by looking at first five multiples of both the numbers, we can locate the lcm for both, which is "24". There is no other many smaller than 24, which is common for both given numbers.

Here, "24" is the "lcm" of "6" and "8".

Some times there is no common multiple in first five multiples of both numbers, in this case write the next five multiples to locate the least common multiple.

Greatest Common Factor (gcf):

Similar to factor the other key factor skill students need to understand from the core. the greatest common factor or gcf.

To find the gcf of the given number write all the factors of given numbers as shown below:

12 = 1, 2, 3, 4, 6, 12

32 = 1, 2, 4, 8, 16, 32

It is clear that number "4" is the largest common factor for the given numbers "12" and "32".

Students can practice more similar problems on lcm and gcf to get more confident in both of these key skills.

Its the responsibility of students to learn right math concepts at right time and the responsibility of educators and parents is to make sure the kids have learned the basic math concepts before upgrade them to learn higher math.