Show:
adding fractions
Negative subtraction problems
negative addition
problems
letter equations
subtracting fractions
100

1/4 + 5/12 

2/3

100

-12-7

-19

100

5+(-3)

2

100

-a=-24

-24

100

3/4-1/4

1/2

200

2/3 + 1/9

7/9

200

3-10

-11

200

8+(-2)

6

200

3=-1.5n

-2
200

10/13-2/13

8/13

300

2/5 + 7/20

3/4

300

-14-(-1)

-13

300

-7+4

-3

300

-4/5x= -8

10

300

6/8-1/2

1/4

400

2/3 + 2/15

4/5

400

-10-10

-20

400

-4+(-3)

-7

400

3/8h = -9

-24

400

4/6-5/18

7/18

500

8/5 + 10/10

1 6/10

500

15-(-13)

28

500

-3+(-4)

-7

500

18=-4y

-9/2

500

11/9-2/4

13/18