Show:
Adding Integers
Subtracting Integers
Adding Fractions
Subtracting Fractions
100

-2+2

0

100

1-1

0

100

1/3+1/3

2/3

100

3/7-2/7

1/7

200

-8+-8

-16

200

77-67

10

200

2/3+1/3

1
200

14/25-11/25

3/25

300

-7+-20

-27

300

56-66

-10

300

2 3/6+ 1 1/2

4

300

2/3-1/9

5/9

400

-200+356

-156

400

500-700

-200

400

3 3/12+ 4 2/6

7 7/12

400

17/21-11/21

2/7

500

7566+4492

12,058

500

5643-8876

-3233

500

5/9+8/10

1 16/45

500

7/9-3/27

2/3