   Chapter 2.II, Problem 4RE ### Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447

#### Solutions

Chapter
Section ### Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447
Textbook Problem

# Find the least common denominator for the following groups of fractions. For problems 1-3, try finding the LCD by inspection (i.e., mentally) first, then use the prime-number method. 1 6 ,   19 24 ,   2 3 ,   3 5

To determine

To calculate: The least common denominator for the fraction, 16,1924,23,35 with the use of the prime number method.

Explanation

Given information:

The provided fraction is, 16,1924,23,35.

Formula used:

Use the following steps for determining the least common denominator of two or more fractions with the use of prime number are,

Step1: Write all the denominators in a row.

Step2: Now find a prime number that divides evenly into any of the denominators and then write that prime number to the left of the row and divide while placing all quotients and undivided numbers in the next row down.

Step3: Repeat the above process until new row contains all ones.

Step4: Multiply all the prime numbers on the left to get the LCD of the fractions.

Calculation:

Consider the following fraction,

16,1924,23,35

Now the same LCD can be found with the help of prime number method. Here when the bottom row becomes all ones then multiply all the prime numbers to get the LCD

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