Rational Numbers

Simplest Form

100

4/8

What is 

1/2?

200

8/10

What is 

4/5?

300

18/81

What is 

2/9?

400

39/51

What is 

13/17?

500

123/513

What is 

41/171?

Adding Fractions

100

1/8+5/8=

What is 

3/4?

200

5/7+9/7=

What is 2?

300

2/3+3/5=

What is 

19/15 or 1 4/15?

400

11/12+5/4=

What is 

13/6 or 2 1/6?

500

8/21+5/6=

What is 

51/42 or 1 9/42?

Subtracting Fractions

100

7/8-3/8 =

What is 

1/2?

200

7/9-2/3=

What is 

1/9?

300

32/54-5/9=

What is 

1/27?

400

2 4/9-1 3/4=

What is 

25/36?

500

31/6-7/9=

What is 

79/18 or 4 7/18?

Multiplying Fractions

100

4/5*5/12=

What is

1/3?

200

25/7*14/50=

What is

1?

300

1 4/5* 2/3=

What is 

6/5 or 1 1/5?

400

3 4/7*1 3/5=

What is 

5 5/7?

500

7 7/8*2 4/9=

What is 

77/4 or 19 1/4?

Dividing Fractions

100

1/9 -: 7/9 =

What is 

1/7?

200

8/15-:4 =

What is 

2/15?

300

7/5-:1 7/10=

What is

14/17?

400

6 3/8-:17/24=

What is 

9?

500

5 5/17-:45/51=

What is 

6?