Vocabulary
Adding Fractions
More Fractions
Subtracting Fractions
The Butterfly Method Steps
100

What is a product?

The answer to a multiplication problem

100

7/9 + 1/4 = 

37/36

100

True or False?

1/10 + 7/10 = 8/10 = 4/5

True

100

3/8 - 1/4 =

4/32 = 1/8

100

Step 1: Multiply the first _________ by the second denominator 

numerator

200

What is a fraction with the same value but different numerators and denominators? 


Ex. 1/2 is equal to 50/100

equivalent fraction

200

3/15 + 1/6 =

33/90 or 11/30

200
Do the fractions below have common denominators? 


3/4, 1/8

No

200

8/10 - 1/3 = 

14/30 = 7/15

200

Multiply the second numerator by the first __________

denominator 

300

What is a fraction?

A number that represents part of a whole


300

1/2 + 7/12 = 

26/24 

300

When adding or subtracting fractions, all fractions must have __________   _____________.

common denominators 
300

4/5 - 1/25 = 

95/125 = 19/25

300

Step 3. Add the two ________ together. 

numerators 

400
What strategy are we using to find the easiest common denominator? 

Butterfly Method

400

3/4 + 4/10=

46/40

400

True or False?

1/2 + 3/4 = 4/6 = 2/3

False 

400

1/9 - 1/10 = 

1/90

400

Step 4. Multiply the ________ together to get the ECM

denominators

500

We can find the (ECM) or Easiest Common Multiple by doing what do our fractions?

multiplying the two different denominators

500

6/11 + 7/3 = 

95/33

500

Create your own addition or subtraction problem with two fractions and solve it

Did you get the answer right? 

500

9/10 - 1/3 =

17/30

500

Write your final _______

answer

M
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