Show:
Adding Fractions with Like Denominators
Subtracting Fractions with Like Denominators
Fractions
Adding Fractions with Unlike Denominators
Subtracting Fractions with Unlike Denominators
100

Add. 

1/3 + 1/3 = 

2/3

100

Subtract. 

4/8 - 2/8 = 

2/8  

1/4

100

1/2+1/2

2/2=1

100

Add. 

2/12 + 2/4 =

8/12 

2/6

100

Subtract. 

1/2 - 1/6 = 

2/6 

200

Add. 

2/3 + 1/3 =

3/3 

1

200
Subtract. 


12/13 - 8/13 = 

4/13

200

2/5+1/5

3/5

200

Add. 

4/10 + 4/5 = 

12/10 

1 2/10 

1 1/5

200
Subtract. 


2/5 - 1/4 = 

3/20

300

Add. 

5/9 + 3/9 =

8/9

300

Subtract. 

23/25 - 8/25 = 

15/25 

3/5

300

5/7-2/7

3/7

300

Add. 

2/7 + 1/4 = 

15/28

300

Subtract. 

5/8 - 1/2 = 

1/8

400

Add.


17/25 + 19/25 = 

36/25 

1 11/25

400

Subtract. 

48/50 - 23/50 = 

25/50 

5/10 

1/2

400

34/234-10/234

24/234

400

Add. 

7/10 + 4/9 = 

103/90

1 13/90

400

Subtract. 

5/7 - 4/9 = 

17/63 

500

Add. 

10/20 + 15/20 = 

35/20 

1 5/20 

1 1/4

500

Subtract. 

77/99 - 32/99 = 

45/99 

5/11

500

20/34+20/34

40/34

500

Add. 

9/11 + 3/5 

78/55 

1 23/55

500

Subtract. 

5/7 - 7/10 = 

1/70