Multiplying Fractions. When we multiply a fraction by an integer we: multiply by the numerator and divide by the denominator For example, 4 9 54 × = 54.

Slides:

Advertisements

Similar presentations

Laws of Indices or Powers © Christine Crisp. Laws of Indices Generalizing this, we get: Multiplying with Indices e.g.1 e.g.2.

Advertisements

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

Changing Percents to a Fraction #3 To change a percent to a fraction you need to first write the numerator over 100. Next simplify the fraction.

Complex Fractions and Unit Rate. Fractions like Complex fractions are called complex fractions. Complex fractions are fractions with a numerator, denominator,

DIVIDING RATIONAL NUMBERS

3.3-Multiplication and Division with Mixed Numbers MATH 081 CATHERINE CONWAY.

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

Multiplying & Dividing Rational Expressions. Simplified form of a rational expression - Means the numerator and denominator have NO common factors. To.

Multiplying Fractions with Cross Cancellation

Multiplying Fractions By: Greg Stark EC&I 831 Multiplying Fractions Numerator Denominator Represents the number of parts into which.

Notes Over 9.4 Simplifying a Rational Expression Simplify the expression if possible. Rational Expression A fraction whose numerator and denominator are.

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

Fractions and Exponents  Step 1:  Understand the exponent means the number of times to multiply the “base” that it is on  Step 2:  Multiply  Step.

Multiplying Mixed Numbers and Fractions Lesson 6.3.

4-6 Multiply Fractions & Mixed Numbers. Multiply Fractions To multiply fractions o multiply the numerators o Multiply the denominators Example: 2/3 *

Multiplying Fractions and Mixed Numbers 3 X 1. Step 1: Convert the mixed numbers to improper fractions. 3 = 7 X 3 = = 25 1 = 5 X 1 = = 8.

Simplifying Fractions

Fractions VI Simplifying Fractions Factor A number that divides evenly into another. Factors of 24 are 1,2, 3, 4, 6, 8, 12 and 24. Factors of 24 are.

Adding & Subtracting Whole Number and Fractions

Divide Mixed Numbers by Fractions

Dividing of Fractions.

Percents and Fractions. Vocabulary A percent is a ratio that compares a number to 100. It means “per 100.” 49 out of 100 is 49%.

STARTER Factorise the following: x2 + 12x + 32 x2 – 6x – 16

Fraction Addition. Try some 4 / / 5 Apples and Oranges The things you add have to be the same size.

Fractions of Quantities

Dividing Fractions. A. Review  Examples of fractions.

How to multiply a whole number by a fraction.

Percent DecimalFraction. Change Percent Into Fraction Write the numerator over one hundred and simplify it. Write 58% as a fraction. 58 ÷ 2 = ÷

FOUR RULES FOR FRACTIONS. numerator denominator The language of fractions improper fraction mixed number.

Fractions, Decimals, Percentages

Multiplying Algebraic Fractions Review multication of fractions Steps: 1). Factor all numerators and denominators completely 2). Cancel terms, if possible.

Multiplying Fractions and Mixed Numbers Objective: Learn to multiply fractions and mixed numbers.

Conversions % Multiply by a special form of 1 Divide 2 by 5

Fractions Just the basics. Fractions This is the easiest operation! 1. Multiply the numerators. 2. Multiply the denominators. 3. Simplify if necessary.

Operations on Rational Expressions MULTIPLY/DIVIDE/SIMPLIFY.

Multiplication & Division

EXPONENTS – PART I Tuesday April 14, 2015.

How do we multiply and divide Rational Expressions?

Do Now: Multiply the expression. Simplify the result.

FOUR RULES FOR FRACTIONS

Multiplying Fractions and Mixed Numbers

Adding and Subtracting Fractions

Simplifying Fractions

Multiplying and Dividing Fractions

Multiplying and Dividing Rational Expressions

Complex Fractions and Unit Rate

Change each Mixed Number to an Improper Fraction.

Complex Fractions and Unit Rate

Fractions, Decimals and Percent

Fractions VI Simplifying Fractions

Fractions IV Equivalent Fractions

or write out factors in expanded form.

Write out factors in expanded form.

Multiplying Fractions

Warm-Up (Fractions) Calculator Free. [1] [2] [3] [4]

Equivalent Fractions.

Fractions, Decimals and Percents

Which fraction is the same as ?

Multiply by a ONE IN DISGUISE!

Simplifying Fractions

Goal: The learner will find equivalent fractions.

Multiplying fraction- Cross multiplication method

Multiplying and Dividing Rational Expressions

Exercise Multiply. 5 • 7 = 35.

Equivalent Fractions.

L5-2 Notes: Simplifying Fractions

Fractions, Decimals and Percent

Presentation transcript:

Multiplying Fractions

When we multiply a fraction by an integer we: multiply by the numerator and divide by the denominator For example, × = 54 ÷ 9 × 4 = 6 × 4 = 24 Multiplying fractions by integers

× ?What is × = 12 × 5 ÷ 7 = 60 ÷ 7 = 60 7 = Multiplying fractions by integers

Using cancellation to simplify calculations 7 12 What is 16 × ? We can write 16 × as: × = 28 3 = 1 3 9

8 25 What is × 40?We can write × 40 as: × = 64 5 = Using cancellation to simplify calculations