Fractions-all operations

Adding

100

What is 1/4 + 2/4?

3/4

200

What is 2/4 + 1/4?

3/4

300

What is 2/5 + 1/5?

3/5

400

What is 3/8 + 2/8?

5/8

500

What is 1/3 + 1/6

1/2

Subtracting

100

What is 3/4 - 1/4?

1/2

200

What is 1/2 - 1/4?

1/4

300

What is 2/3 - 1/3?

1/3

400

What is 4/5 - 1/5?

1/5

Multiplying

100

2/3  x 1/3

2/9

200

3/4 x1 /2

3/8

300

3/8  x 1/3

3/24 = 1/8

400

2  1/2    x   3  1/2

5/2   x 7/2 = 35/4 =8 3/4

500

4  3/4  x   2  1/2

19/4  x 5/2 = 95/8 = 11 7/8

Division

100

1/2 divided by 1/4

1/2 x  4/1 = 4/2 = 2

200

2 divided by 2/3

2/1 x 3/2  = 6/2 = 3

300

3/4 divided by 1/2

3/4 x 2/1 = 6/4 = 1  2/4  = 1 1/2

400

4  1/2 divided by 2

9/2 x 1/2 = 9/4 = 2 1/4

500

3 1/4 divided by 2 1/2= 

13/4 x 2/5 = 26/20 = 1  6/20 = 1  3/10

Turning mixed #s into fractions and vice-versa

100

32/5

6  2/5

200

4  5/8

37/8

300

21/2

10  1/2

400

5  6/7

41/7

500

22   2/4

90/4 =  22  2/4  =  22  1/2