Adding Fractions
Subtracting Fractions
Parts of Fractions
Finding the LCD
Vocabulary
100
to add fractions they must have the same ______.
What is denominator?
100

When subtracting fractions with unlike denominators, you must find a common denominator and create __________________.

What are equivalent fractions?

100
the top digit in a fraction
What is the numerator?
100

Find the LCM of 30 & 50

What is 150

100

What trick can help you remember the difference between the numerator and the denominator?

What is denominator, down, dungeon?

200

When adding fractions with unlike denominators, you must find a ______.

What is a common denominator?

200

The Carson family went fishing. They caught a 2 5/8 pound trout and a 1 1/2 pound bass. How many more pounds was the trout than the bass? 

1 1/8

200
The bottom digit of a fraction
What is the denominator?
200

`Find the LCM of 10 & 100

What is 100

200

When are 2 times in the real world when you would use fractions?

What is cooking, measuring, building ..multiple answers

300
A fraction can be simplified if they have a common _______.
What is factor?
300

To simplify a fraction means to use the ___________ to represent the same value.

What is fewest pieces?

300
A number with a whole number and a fraction
What is a mixed number?
300

Find the LCD of 12 and 8.

What is 24?

300

The bottom portion of the fraction where that tells how many equal pieces there are total is called...?

What is the denominator?

400
The sum of fractions cannot be simplified if the numerator is ______?
What is prime?
400

The difference of fractions can be simplified if the numerators are ___________?

What is composite?

400

A fraction with the same numerator and denominator is equal to __________?

What is 1/1 whole?

400

What do you call the answer to a multiplication problem?

What is “the product”

400

Before we can add or subtract fractions, we must have a common...

What is denominator

500

4/8 + 2/3

What is 1 1/6

500

9/12-2/8

What is 1/2

500

1/4= x/12

What is 3

500

Find the LCD for 1/4 and 1/6

12

500

When finding the LCD, you list the ______ of each number and find the first one they have in common.

Multiples

600

2/10 + 3/10

What is 5/10

600

14 2/5 - 9 3/8

What is 5 1/40

600

2/5=x/10

What is 4

600

What is the LCD for 1/6 and 2/5?

30

600

The least number that is a common multiple is the ______?

LCD

700

1 2/3 + 2 3/4

What is 4 5/12

700

8/12-3/12

What is 5/12

700

Draw 1/4 and 1/2. Are these equivalent fractions? how do you know?

Yes they are equivalent because the shaded area of each fraction is the same.

700

What is the LCD for 3/4 and 3/5?

20

700

List the first six multiples for 4

4, 8, 12, 16, 20, 24

800

2/5 + 1/4

What is 13/20?

800

5/10 - 2/12 = ?

What is 1/3?

800

Draw 2/3 and 4/6. Are these equivalent fractions and how do you know?

Yes they are equivalent because the shaded area of each fraction is the same.

800

What is the LCD for 7/9 and 5/6

18

800

Write the least common multiple for the numbers: 20 and 15

60

900

1/3 + 1/4 

What is  7/12

900

10/12 - 4/10 = ?

What is 13/30?

900

Draw 3/4 and 1/3. Are these equivalent fractions, how do you  know?

No they are not equivalent fractions because the shaded area does not take up the same amount of space.

900

What is the LCD for 8/11 and 4/7?

77

900

To add or subtract mixed numbers, first find the ____ to make like fractions. Is it? -LCD least common denominator OR -Simplest form OR -Renaming

LCD