Show:
Addition
Subtraction
Multiplication
Division
Decimals
100

1/5 + 3/5

4/5

100

8/9 - 3/9 =

5/9

100

1/3  x  2/5 =

2/15

100

8 -- 2/3 =

24/2    or     12

100

1/10  in decimal form.

0.1

200

3/8 + 1/4 =

5/8

200

2   3/5 -   1   1/5 =

1  2/5

200

4 x 5/9 =

20/9

200

16 -- 4/5 = 

70/4

200

1/100  in decimal form.

0.01

300

2/3 + 3/5 =

19/15

300

4   2/3    - 1   1/6

3    3/6

300

4/8 x 8 =

32/8

300

3/5  -- 8 =

3/40

300

1/1,000  in decimal form.

0.001

400

2  4/5  + 1  4/5 =

4  3/5

400

4  1/5  -  2  3/5 = 

1   3/5

400

16/19 x 8/7 =

128/133

400

2/5  --  3/8 = 

16/15

400

3  3/100 in decimal form

3.03

500

4  1/4  + 3  4/9 =

7   25/36

500

6  2/3   -   2  3/12 =

4   5/12

500

37/3  x 4/16 =

148/48

500

9/5 --  6/5 =

25/54

500

6  23/100  in decimal form.

6.023