Dividing Fractions 6.NS.1

Definitions/Rules

100

The bottom number of a fraction is called...

What is denominator

200

The top number of a fraction is called...

What is the numerator 

300

The three steps used when dividing fractions? 

What is Keep, Change, flip (KCF)

500

What is the term used to describe the fraction that is "flipped" in KCF?

What is Reciprocal? 

Dividing Fraction Steps

200

When dividing fractions, what do you do to the first fraction in the problem?

KEEP it the same. 

300

When dividing fractions, what do you do to the division sign?

Change it to multiplication.

400

When dividing fractions, what must you do to the second fraction in the problem?

Find its reciprocal or flip it

500

What does it mean to simplify a fraction? 

Putting a fraction in its simplest, lowest form 

Dividing Fractions

100

1/2 ÷ 4/1

1/8 

200

3/1 ÷ 1/3 

9

300

1/3 ÷ 4/1

1/12

400

2/1 ÷ 1/4

8

500

1/4 ÷ 2/1

1/8

Dividing fractions by fractions #1

100

1/2 ÷ 1/3 - Simplest form 

3/2 = 1 1/2

200

1/2 ÷ 1/4 = 

2

300

4/7 ÷ 2/3 - Simplest Form 

12/14 = 6/7

400

5/9 ÷ 1/2 - Simplest Form 

10/9 = 1 1/9 

500

1/4 ÷ 5/4

4/20 = 1/5

Dividing fractions by fractions #2

100

 2/3  ÷   1/3

2

200

 1/4 ÷  1/2

1/4

300

 1/2 ÷  2/3

3/4

400

 3/4 ÷  2/5

15/8 or 1 7/8

500

 2/4 ÷  3/4

8/12 = 2/3