Show:
adding
subtracting
multiplying pt.1
multiplying pt.2
dividing
25

1/3+1/3?

2/3

25

5/5 - 3/5?

1 2/5

25

2 3/4 X 1 3/5?

4 19/20

25

50x2

100

25

1+10

11

150

 5/9 + 6/12?

1 1/18

150

1-5/5

0

150

2/5 X 8/5?

16/25

150

30x120

3600

150

12/6

2

250

3/12 + 2/5?

13/20

250

1 2/8 - 3/5

13/20

250

6x3

18

250

20x12

2400

250

20/5

4

400

1/2 +1/2?

1 OR 2/2

400

2-4/4

1

400

60x3

180

400

6x5

30

400

16x8

128

750

2/5 +⅕?

3/5

750

3-9/9

2

750

3x5

15

750

12x50

600

750

75x2

150