Definitions/Rules
The bottom number of a fraction is called...
What is denominator
If you are dividing mixed numbers, what should you do?
Convert to improper fractions, then divide (KCF)
1/2 ÷ 4
1/8
1/2 ÷ 1/3 - Simplest form
3/2 = 1 1/2
1 2/3 ÷ 3 1/3
2
The top number of a fraction is called...
What is the numerator
When dividing fractions, what do you do to the first fraction in the problem?
KEEP it the same.
3 ÷ 1/3
9
Daily Double----
2/3 ÷ 1/3 - Simplest Form
2
2 1/4 ÷ 1 1/2
The three steps used when dividing fractions?
What is Keep It, Change It, Flip It (KCF)
When dividing fractions, what do you do to the division sign?
Change it to multiplication.
1/3 ÷ 4
1/12
4/7 ÷ 2/3 - Simplest Form
12/14 = 6/7
10 1/2 ÷ 1 2/3
3 1/4
What do you do when dividing whole numbers by fractions?
Put the whole number over 1 then divide (KCF)
When dividing fractions, what must you do to the second fraction in the problem?
Flip it
2 ÷ 1/4
8
5/9 ÷ 1/2 - Simplest Form
10/9 = 1 1/9
8 3/4 ÷ 2 2/5
8 1/24
What is the term used to describe the fraction that is "flipped" in KCF?
What is Reciprocal?
What does it mean to simplify a fraction?
Putting a fraction in its simplest, lowest form
1/4 ÷ 2
1/8
1/4 ÷ 5/4 - Simplest Form
4/20 = 1/5
9 1/2 ÷ 9 2/3
29/30