Evaluate 2- + O 2 37 12 O 3

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Evaluation of Mixed Numbers

This section aims to help you evaluate mixed numbers. Work through the following example to understand the process better.

#### Problem Statement:
Evaluate \( 2 \dfrac{1}{4} + \dfrac{5}{6} \).

#### Multiple Choice Answers:

- \( \boxed{2 \dfrac{3}{5}} \)
- \( \dfrac{37}{12} \)
- \( 3 \)

### Steps to Solve

1. **Convert the Mixed Number to an Improper Fraction:**

   First, convert \( 2 \dfrac{1}{4} \) to an improper fraction.
   
   \[
   2 \dfrac{1}{4} = \frac{2 \times 4 + 1}{4} = \frac{8 + 1}{4} = \frac{9}{4}
   \]

2. **Find a Common Denominator:**

   The given fractions now are \( \frac{9}{4} \) and \( \frac{5}{6} \). To add these fractions, you need a common denominator. The least common multiple of 4 and 6 is 12.
   
   Convert the fractions:
   
   \[
   \frac{9}{4} = \frac{9 \times 3}{4 \times 3} = \frac{27}{12}
   \]
   
   \[
   \frac{5}{6} = \frac{5 \times 2}{6 \times 2} = \frac{10}{12}
   \]

3. **Add the Fractions:**
   
   \[
   \frac{27}{12} + \frac{10}{12} = \frac{37}{12}
   \]

4. **Convert the Improper Fraction to a Mixed Number:**

   \[
   \frac{37}{12} = 3 \dfrac{1}{12}
   \]

### Conclusion:

Converting \( 2 \dfrac{1}{4} + \dfrac{5}{6} \) results in \( 3 \dfrac{1}{12} \). The correct answer is not listed in the multiple-choice options provided. 
There is an apparent error in the choices given. The selected choice \( \boxed{2 \dfrac{3}{5}} \) is not the correct answer
Transcribed Image Text:### Evaluation of Mixed Numbers This section aims to help you evaluate mixed numbers. Work through the following example to understand the process better. #### Problem Statement: Evaluate \( 2 \dfrac{1}{4} + \dfrac{5}{6} \). #### Multiple Choice Answers: - \( \boxed{2 \dfrac{3}{5}} \) - \( \dfrac{37}{12} \) - \( 3 \) ### Steps to Solve 1. **Convert the Mixed Number to an Improper Fraction:** First, convert \( 2 \dfrac{1}{4} \) to an improper fraction. \[ 2 \dfrac{1}{4} = \frac{2 \times 4 + 1}{4} = \frac{8 + 1}{4} = \frac{9}{4} \] 2. **Find a Common Denominator:** The given fractions now are \( \frac{9}{4} \) and \( \frac{5}{6} \). To add these fractions, you need a common denominator. The least common multiple of 4 and 6 is 12. Convert the fractions: \[ \frac{9}{4} = \frac{9 \times 3}{4 \times 3} = \frac{27}{12} \] \[ \frac{5}{6} = \frac{5 \times 2}{6 \times 2} = \frac{10}{12} \] 3. **Add the Fractions:** \[ \frac{27}{12} + \frac{10}{12} = \frac{37}{12} \] 4. **Convert the Improper Fraction to a Mixed Number:** \[ \frac{37}{12} = 3 \dfrac{1}{12} \] ### Conclusion: Converting \( 2 \dfrac{1}{4} + \dfrac{5}{6} \) results in \( 3 \dfrac{1}{12} \). The correct answer is not listed in the multiple-choice options provided. There is an apparent error in the choices given. The selected choice \( \boxed{2 \dfrac{3}{5}} \) is not the correct answer
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