Presentation is loading. Please wait.

Presentation is loading. Please wait.

Example 1 Multiplying Fractions a. 5 2 – 3 2 – Use rule for multiplying fractions. = 2 – () 2 – 5 3 Use rule for multiplying fractions. = 10 6 3 – 5 Evaluate.

Published byAvis Simon Modified over 8 years ago

Similar presentations

Presentation on theme: "Example 1 Multiplying Fractions a. 5 2 – 3 2 – Use rule for multiplying fractions. = 2 – () 2 – 5 3 Use rule for multiplying fractions. = 10 6 3 – 5 Evaluate."— Presentation transcript:

1 Example 1 Multiplying Fractions a. 5 2 – 3 2 – Use rule for multiplying fractions. = 2 – () 2 – 5 3 Use rule for multiplying fractions. = 10 6 3 – 5 Evaluate numerator and denominator. = 15 4 = 3 – 1515 1 – 6262 10 2 Divide out common factors. b. 10 3 – 6 5

2 Example 1 Multiplying Fractions = 4 1 – Multiply.

3 Example 2 Multiple Choice Practice What is the value of ? 24 1 8 1 8 1 3 4 4 3 1 8 3 SOLUTION 8 1 3 4 4 3 Commutative property of multiplication 3 4 8 1 4 3 = Inverse property of multiplication 8 1 = 1

4 Example 2 Identity property of multiplication 8 1 = Multiple Choice Practice ANSWER The correct answer is B.

5 Guided Practice Find the product. Simplify if possible. for Examples 1 and 2 12 5 – 10 9 1. ANSWER 8 3 – 54 35 ANSWER 1 5 3 4 5 5 4 3. 5 3 7 1 7 4. 6 5 – 9 7 – 2.

Download ppt "Example 1 Multiplying Fractions a. 5 2 – 3 2 – Use rule for multiplying fractions. = 2 – () 2 – 5 3 Use rule for multiplying fractions. = 10 6 3 – 5 Evaluate."

Similar presentations

EXAMPLE 3 Standardized Test Practice SOLUTION 8x 3 y 2x y 2 7x4y37x4y3 4y4y 56x 7 y 4 8xy 3 = Multiply numerators and denominators. 8 7 x x 6 y 3 y 8 x.

EXAMPLE 3 Standardized Test Practice SOLUTION 8x 3 y 2x y 2 7x4y37x4y3 4y4y 56x 7 y 4 8xy 3 = Multiply numerators and denominators. 8 7 x x 6 y 3 y 8 x.
EXAMPLE 1 Writing Equivalent Fractions. EXAMPLE 1 Writing Equivalent Fractions Write two fractions that are equivalent to. Writing Equivalent Fractions.

EXAMPLE 1 Writing Equivalent Fractions. EXAMPLE 1 Writing Equivalent Fractions Write two fractions that are equivalent to. Writing Equivalent Fractions.
Multiply complex numbers

Multiply complex numbers
The Identity and Inverse Properties

The Identity and Inverse Properties
Tell which property is being illustrated.

Tell which property is being illustrated.
1)Be able to apply the quotient of powers property. 2)Be able to apply the power of a quotient property. 3)Be able to apply the multiplication properties.

1)Be able to apply the quotient of powers property. 2)Be able to apply the power of a quotient property. 3)Be able to apply the multiplication properties.
EXAMPLE 3 Using the Associative Property 3 5 + 2 5 3+ = 3 5 + 2 5 +3 5 5 +3 = Associative property of addition Add fractions. Write as one. 5 5 Add. 4=

EXAMPLE 3 Using the Associative Property = = Associative property of addition Add fractions. Write as one. 5 5 Add. 4=
EXAMPLE 2 Identifying Equivalent Fractions

EXAMPLE 2 Identifying Equivalent Fractions
Simplifying Fractions 3-5. Lesson 1 – Equivalent Fractions I can use multiples to write equivalent fractions. I can use factors to write equivalent fractions.

Simplifying Fractions 3-5. Lesson 1 – Equivalent Fractions I can use multiples to write equivalent fractions. I can use factors to write equivalent fractions.
Operations: Add, Subtract, Multiply, Divide

Operations: Add, Subtract, Multiply, Divide
Multiplying Fractions  Step 1:  Look for common terms that can cancel  Step 2:  Look at cancelling signs (if possible)  Step 3:  Multiply the numerator.

Multiplying Fractions  Step 1:  Look for common terms that can cancel  Step 2:  Look at cancelling signs (if possible)  Step 3:  Multiply the numerator.
Example 3 Dividing Mixed Numbers ÷ 3 1 6 2 6 5 – 3 19 = 17 6 – Multiply by the reciprocal of 17 6 – 6 – = 3 () 6 – 19 Use rule for multiplying fractions.

Example 3 Dividing Mixed Numbers ÷ – 3 19 = 17 6 – Multiply by the reciprocal of 17 6 – 6 – = 3 () 6 – 19 Use rule for multiplying fractions.
EXAMPLE 2 Rationalize denominators of fractions. 5 2 3 7 + 2 Simplify

EXAMPLE 2 Rationalize denominators of fractions Simplify
Chapter 6 Section 4 Addition and Subtraction of Rational Expressions.

Chapter 6 Section 4 Addition and Subtraction of Rational Expressions.
 Multiply rational expressions.  Use the same properties to multiply and divide rational expressions as you would with numerical fractions.

 Multiply rational expressions.  Use the same properties to multiply and divide rational expressions as you would with numerical fractions.
Simplifying Fractions

Simplifying Fractions
Dividing of Fractions.

Dividing of Fractions.
EXAMPLE 6 Solve a multi-step problem A = 13,000 + 3700x 1 – 0.015x and T = 1800 + 860x 1 – 0.016x The amount A (in millions of dollars) spent on all advertising.

EXAMPLE 6 Solve a multi-step problem A = 13, x 1 – 0.015x and T = x 1 – 0.016x The amount A (in millions of dollars) spent on all advertising.
Find the sum or difference. Then simplify if possible.

Find the sum or difference. Then simplify if possible.
By: Ruthie Covington. Directions First you find two fractions. If you have a mixed number, then you multiply the whole number by the denominator.

By: Ruthie Covington. Directions First you find two fractions. If you have a mixed number, then you multiply the whole number by the denominator.

Similar presentations

Ads by Google