Adding & Subtracting Fractions

Adding & Subtracting Fractions with Like Denominators

100

1/6 + 4/6

5/6

200

3/4 - 1/4

1/2

300

9/10 - 7/10

1/5

400

2/12 + 4/12

1/2

500

2/15 + 1/15

1/5

Adding & Subtracting Fractions with Unlike Denominators

100

1/4 + 5/8

7/8

200

2/5 + 1/2

9/10

300

7/12 - 1/2

1/12

400

5/6 - 2/12

2/3

500

3/12 - 1/8

1/8

Adding

100

 1/6 + 2/3

 5/6

200

3/4 +  1/2

5/4 or 1 and 1/4

300

1/6 + 2/9

7/18

400

 1/12 +  2/3

9/12 or 3/4

500

3/4 + 5/6

19/12 or 1 and 7/12

Subtracting

100

3/4 -  1/12

8/12 or 2/3

200

 1/2-  3/8

 1/8

300

8/9 -  2/3

 2/9

400

 4/5 - 7/10

1/10

500

3/4 - 1/5

11/20

Mix

100

The _____________ is the top part of a fraction

numerator

200

the _______________________- is the bottom number 

denominator 

300

Fractions must have the same _________ before adding or subtracting. 

denominator

400

We can make equivalent fractions by multiplying fractions that equal the number ________________

one

500

Where did Mrs. Peters go to college? 

Cornerstone University