Example of least common denominator, Mathematics

Example of Least Common Denominator:

Example:

Add 1/7 +2 /3 + 11/12 + 4/6

Solution:

Step 1:            Find out primes of each denominator.

7 = 7 (already is a prime number)

3 = 3 (already is a prime number)

12 = 2 x 6 = 2 x 2 x 3

6 = 2 x 3

Step 2:            12 is the largest, so begin with

2 x 2 x 3

Comparing this list to another list, the denominators of 3, 12, and 6 could all be calculated from the list, but 7 cannot be, so a 7 must be involved in the list.

2 x 2 x 3 x 7 = 84

Step 3:            Rewrite the equation

1/7 . 12/12 + 2/3 . 28/ 28 + 11/ 12 . 7/7 +  4/6 . 14/14 =

Step 4: Add

12/84 + 56/84 + 77/84 + 56/84 = 201 /84

Posted Date: 2/9/2013 1:12:25 AM | Location : United States







Related Discussions:- Example of least common denominator, Assignment Help, Ask Question on Example of least common denominator, Get Answer, Expert's Help, Example of least common denominator Discussions

Write discussion on Example of least common denominator
Your posts are moderated
Related Questions
10 statements must be shown to be logically equivalent to the Statement the nxn matrix is invertible.

Applications of derivatives : At last, let's not forget about our applications of derivatives. Example    Assume that the amount of air in a balloon at any time t is specified


A number, x, increased through 3 is multiplied by the similar number, x, increased by 4. What is the product of the two numbers in terms of x? The two numbers in terms of x wou

Solving Trig Equations with Calculators, Part II : Since this document is also being prepared for viewing on the web we split this section into two parts to keep the size of the

Radius of Convergence We will be capable to illustrate that there is a number R so that the power series will converge for, |x - a| R.  This number is known as the radius of

solve for x: logx9