Lesson 3-5 Example 2 3-5 Example 2 1.Write the prime factorization of each denominator. 9 33 12 34 × 22 × ×

Slides:



Advertisements
Similar presentations
Lesson 4-4 Example Example 1 1.Change each decimal to a fraction. Order, 0.5,, and –0.8 from least to greatest. Graph the numbers on a number line.
Advertisements

Adding and Subtracting Fractions with Like Denominators.
EXAMPLE 1 Comparing Fractions Using the LCD SOLUTION Find the least common denominator of the fractions. The LCM of 8 and 12 is 24, so the least common.
Example 1 Adding Fractions a To find the LCD of the fractions, write the prime factorization of each denominator. 3 = 3 6 = 3 2 So, the LCD.
COMPARING FRACTIONS Vocabulary  Mixed Fraction: Whole number mixed with a fraction (ex. 2 ½)  Improper Fraction: has a numerator greater than.
Warm-Up Exploration 5.12 (p. 114) Continue working on Part I
Splash Screen. Lesson Menu Five-Minute Check (over Lesson 10–2) Main Idea Key Concept: Adding Unlike Fractions Example 1:Add Unlike Fractions Example.
The following slides show how to find the LCD for fractions along with some practice problems and the answers.
People Fractions. Problem 1 of 20 Answer 1 = 10 Problem 2 of 20 Answer 2 = 5.
Math /7.4 – Rational Expressions: LCD, Adding, and Subtracting 1.
4-5 Add or Subtract Mixed Numbers. Add Mixed Numbers To add mixed numbers: o First add the fractions o You may need to rename the fractions so that they.
Add. Write the answer in simplest form. Adding Mixed Numbers = Add the integers and add the fractions. 3 5 x 4 6 x x 3 8.
Over Lesson 3–5 A.A B.B C.C D.D 5-Minute Check 4 A. B. C. D. A.5 B. C. D.
4-6 Multiply Fractions & Mixed Numbers. Multiply Fractions To multiply fractions o multiply the numerators o Multiply the denominators Example: 2/3 *
Multiplying Fractions By: Ms. D. Kritikos. Multiplying Fractions Each row is of the rectangle. Each column is of the rectangle. The shaded area is of,
BASIC MATH SKILLS LESSON 3: RENAMING FRACTIONS IN SIMPLEST FORM P. 59.
Basic Math Skills Lesson 6: Writing Mixed Numbers in Simplest Form p. 63.
Welcome to Interactive Chalkboard Pre-Algebra Interactive Chalkboard Copyright © by The McGraw-Hill Companies, Inc. Send all inquiries to: GLENCOE DIVISION.
Adding and Subtracting Fraction Notes Ex: 1 / / 8 1.If the denominators are the same, add or subtract the numerators only Simplify if.
Comparing Fractions with the same Denominators
Adding and Subtracting Fraction Notes 10/15/09 Ex: 1/8 + 3/8 If the denominators are the same, add or subtract the numerators only Simplify.
Lesson 8-2: Adding and Subtracting Rational Expressions.
Lesson 3-6 Example Example 2 1.Write the prime factorization of each denominator. 10=2 5 6=2 3.
Review of Fractions. Important Notes Leave all answers in “simplest form” No common factors in the numerator and denominator Use proper or improper fractions.
© 2007 M. Tallman
COURSE 2 LESSON Find , or 4 Estimate 21 Add the fractions. Add the whole numbers = Write.
Evaluating Algebraic Expressions 2-6 Adding and Subtracting with Unlike Denominators NS1.2 Add and subtract rational numbers (fractions) NS2.2 Add and.
Adding and Subtracting Rational Expressions with Different Denominators Find the LCD of two or more rational expressions. 2.Given two rational expressions,
Turn in your homework You need a pencil, paper, and the notes.
Comparing and Ordering Fractions. Vocabulary Like Fractions – Unlike Fractions – Common Denominator – When fractions have the same denominator When fractions.
Adding and Subtracting Mixed Numbers
Lesson 3 Comparing Fractions. Rule for Comparing Two Fractions To compare two fractions, both fractions must have the same denominator. (The same denominator.
5 Minute Check. 1 5) Minute Check 01 6)
FRACTIONS Fraction: a numerical quantity that is not a whole number Numerator: the number above the line in a common fraction showing how many of the parts.
Lesson 5.2 Adding and Subtracting Mixed Numbers 11/30/09.
Regrouping to Subtract Mixed Numbers. EX ⅜ 4 - 2⅜ 1. Change the problem from sideways to up and down. 2. Look to see if the problem can be done.
COURSE 2 LESSON 4-2 Find Keep the denominator the same = Add the numerators. The answer is close to the estimate
Subtracting Fractions and Mixed Numbers SWBAT subtract fractions with unlike denominators; subtract mixed numbers.
In this lesson you are going to learn how to divide fractions by multiplying by the reciprocal.
Chapter 6: Lesson 3: Adding and Subtracting Mixed Numbers
Adding Fractions with Unlike Denominators.
Find the common denominator. Make equivalent fractions.
Adding and Subtracting Fractions
Adding and Subtracting Fractions
Adding and Subtracting Mixed Numbers
In this lesson you will learn how to add and subtract mixed numbers by grouping the problem into wholes and fractions and by re-naming the sum or difference.
5.3 Adding and Subtracting Unlike Fractions
Percents, Fractions, and Decimals
Tyler juggled for 1 hr during the school week. He
Adding and Subtracting Fractions
Simplifying Rational Expressions
Simplifying Fractions
Today we will explain fractions in different ways
Adding Mixed Numbers.
Chapter 5 – 8 Add and Subtract Unlike Fractions
Fractions VI Adding Like Denominators
Lesson Quizzes Standard Lesson Quiz
Adding and Subtracting Unlike Fractions
Adding and Subtracting Fractions
Main Idea and New Vocabulary
Chapter 6: Lesson 3: Adding and Subtracting Mixed Numbers
Fractions VII Adding Like Denominators
Fractions With Like Denominators
Section 4.4 Simplifying Fractions
Lesson 5 Add and Subtract Mixed Numbers
Adding and Subtracting Mixed Numbers
Section 7.2 Adding and Subtracting Rational Expressions.
Subtracting Mixed Numbers
Presentation transcript:

Lesson 3-5 Example Example 2 1.Write the prime factorization of each denominator × 22 × ×

Lesson 3-5 Example Example 2 2.Identify all common prime factors. 9 = 3 ● 3 12 = 2 ● 3 ● 3

Lesson 3-5 Example Example 2 3.Find the product of the prime factors using each common prime factor once and any remaining factors. The LCD is 2 ● 2 ● 3 ● 3 = 36.

Lesson 3-5 Example Example 2 4.Rename each fraction using 36 as the denominator.

Lesson 3-5 Example Example 2 5.Add the like fractions.

Lesson 3-5 Example Example 2 6.Write the answer in simplest form.