adding and subtracting fractions with common denominators

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Adding and Subtracting Fractions with Common Denominators ng Pictorial Representatio

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Adding and Subtracting Fractions with Common Denominators. Using Pictorial Representations. What is the sum of these fractions?. 3 6. 2 6. What is the sum of these fractions?. 2 5. 4 5. =. +. Find the difference. Identify and write the fractions. - PowerPoint PPT Presentation

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Page 1: Adding and Subtracting Fractions with  Common Denominators

Adding and SubtractingFractions

with Common Denominators

Using Pictorial Representations

Page 2: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

36

26

Page 3: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

25

45

+ =

Page 4: Adding and Subtracting Fractions with  Common Denominators

Find the difference.•Identify and write the fractions.•Count the sections of the smaller fraction•Mark an X on each section of the larger fraction to show how many you will subtract.•Count the shaded sections that you have left—this is the numerator of the difference.

x xxx

1 2

43

710

410- =

310

Page 5: Adding and Subtracting Fractions with  Common Denominators

Find the difference.

Page 6: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

25

45

If you fill in this shape, you have 5 out of 5 or ONE

and one fifth left in the other fraction.

151+ =

Page 7: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

34

34+

Page 8: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?If you fill in this

shape, you have 4 out of 4 or ONE

and two fourths left in the other fraction.

2413

434+ =

Page 9: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

Page 10: Adding and Subtracting Fractions with  Common Denominators

Find the difference.

Page 11: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

15

25+

35=

Page 12: Adding and Subtracting Fractions with  Common Denominators

Find the difference.

Page 13: Adding and Subtracting Fractions with  Common Denominators

Which two fractions have a sum of 1?

BA C D

Explain how to solve this problem?

Page 14: Adding and Subtracting Fractions with  Common Denominators

BA C D

Which two fractions add to ?

Explain how to solve this problem?

45

Page 15: Adding and Subtracting Fractions with  Common Denominators

Which two fractions could you add together to get more than one?

BA C

Page 16: Adding and Subtracting Fractions with  Common Denominators

Which fraction is shaded to show a fraction

that is more than half?

Explain your answer?

Page 17: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

Page 18: Adding and Subtracting Fractions with  Common Denominators

Find the difference.

Page 19: Adding and Subtracting Fractions with  Common Denominators

Which fraction is shaded to show one half?

Explain your answer?

Page 20: Adding and Subtracting Fractions with  Common Denominators

Which two fractions have a sum of 1?

Explain how to solve this problem?

BA C

Page 21: Adding and Subtracting Fractions with  Common Denominators

Which fraction is shaded to show a fraction

that is less than half?

Explain your answer?

Page 22: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

Page 23: Adding and Subtracting Fractions with  Common Denominators

Will the sum of these two fractionsbe more than one or less than one?

What will be the sum?

Page 24: Adding and Subtracting Fractions with  Common Denominators

Which two fractions have a sum of 1?

Explain how to solve this problem?

Page 25: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

Page 26: Adding and Subtracting Fractions with  Common Denominators

What is the sum of these fractions?

Page 27: Adding and Subtracting Fractions with  Common Denominators

BA C

FED

Page 28: Adding and Subtracting Fractions with  Common Denominators

Which two fractions

add to ?

581

Page 29: Adding and Subtracting Fractions with  Common Denominators

Find the difference.