Dividing Fractions. A. Review Examples of fractions.
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Transcript of Dividing Fractions. A. Review Examples of fractions.
![Page 1: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/1.jpg)
Dividing Fractions
![Page 2: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/2.jpg)
A. Review
Examples of fractions
![Page 3: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/3.jpg)
A. Review
![Page 4: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/4.jpg)
B. Dividing by whole numbers
2÷2
1? 3÷
2
1?
1/2 1/2 ? 2÷ ? 3÷
![Page 5: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/5.jpg)
B. Dividing by whole numbers
1/4
2÷2
1
4
13÷
2
1
6
1
1/6
1/2 1/2 2÷
3÷
![Page 6: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/6.jpg)
B. Dividing by whole numbers
How do you divide a fraction by a number?
When dividing a fraction by a whole number, multiply the
denominator (the bottom number) with the whole number
2÷2
13÷
2
17÷
2
1
2÷2
1
4
1
![Page 7: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/7.jpg)
B. Dividing by whole numbers
Do the following divisions without calculators. Don’t forget to simplify
When you’re done, check your answers with the online calculator
http://www.calculatorsoup.com/calculators/math/fractions.php
4÷2
1 5÷
2
1 2÷
3
1
3÷3
1 3÷
3
2 4÷
3
2
2÷4
1 2÷
4
3 3÷
4
3
![Page 8: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/8.jpg)
C. Dividing by simple fractions
3
1 ÷
2
1?
1/2 ?3
1 ÷
![Page 9: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/9.jpg)
C. Dividing by simple fractions
3
1 ÷
2
1
2
3
1/2 1/2 1/2
1/2 3
1 ÷
![Page 10: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/10.jpg)
C. Dividing by simple fractions
4
1 ÷
2
1?
1/2 ?4
1 ÷
![Page 11: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/11.jpg)
C. Dividing by simple fractions
4
1 ÷
2
12
2
4
1/2 1/2 1/2 1/2 1/2
3
1 ÷
![Page 12: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/12.jpg)
C. Dividing by Simple Fractions
How do you divide a fraction by a fraction?
When dividing a fraction by a fraction, multiply the denominator (bottom number) of the first fraction with the numerator (top number) of the second fraction, AND multiply the numerator (top number) of the first fraction with the denominator (bottom number) of the second fraction.
2÷2
13÷
2
17÷
2
1
3
1÷
2
1
2
3
![Page 13: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/13.jpg)
C. Dividing by simple fractions
Do the following divisions without calculators. Don’t forget to simplify
When you’re done, check your answers with the online calculator
http://www.calculatorsoup.com/calculators/math/fractions.php
2
1÷
2
1
3
1÷
2
1
4
1÷
2
1
2
3÷
2
1
3
2÷
2
1
4
3÷
2
1
2
5÷
2
1
3
4÷
2
1
4
5÷
2
1
![Page 14: Dividing Fractions. A. Review Examples of fractions.](https://reader036.fdocuments.us/reader036/viewer/2022081502/56649f4e5503460f94c6f445/html5/thumbnails/14.jpg)
D. Mixed Practice
Work with a partner for the practice problems
Check with calculator if you really need to
REMEMBER: a whole number is same as that number over 1
1
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