lcm: least common multiple
The LCM of 2 or more #'s can be found two different ways...
So how can we use this crazy thing called the LCM???
One very important reason is to help us COMPARE things to each other.
Lets take a look at the following....
One very important reason is to help us COMPARE things to each other.
Lets take a look at the following....
How did the LCM help us???
1) It made the "denominator" in each fraction equal, then we could easily "compare" the fractions.
10/45 is larger than 9/45!!! See how easy that is now.
2) Also, we can ADD and SUBTRACT the fractions easily now.
1) It made the "denominator" in each fraction equal, then we could easily "compare" the fractions.
10/45 is larger than 9/45!!! See how easy that is now.
2) Also, we can ADD and SUBTRACT the fractions easily now.