Add & Subtract with Like Denominators
Add & Subtract with Unlike Denominators
Vocabulary
100

Subtract: 

6/9-3/9

3/9

100

Subtract the fractions:

3/4 - 1/3 =

5/12

100

The top number in a fraction is called the

The numerator

200

Add:

 3/10 + 7/10

1 whole or 10/10

200

Add the Fractions:

2/3 + 1/5 =

13/15
200

What does the numerator represent?

how many parts out of a whole

300

Subtract: 

8/12-6/12

2/12

300

Subtract the Fractions:

4/5 - 1/4 =

11/20

300

The bottom number in a fraction is called

The denominator

400

Add:

5/7 + 4/7

9/7

400

Subtract the Fractions:

3/5 - 1/2 =

1/10

400

What is a unit fraction?

Fraction with one as the numerator

500

Subtract: 

2/4 -1/4

1/4

500

Add the Fractions:

DOUBLE points if you simplify your answer.

1/6 + 1/2 =

For Regular Points: 8/12 or 4/6

For DOUBLE Points (Simplest Form): 2/3

500

To add or subtract fractions you must have...

the same denominator/like units

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