Show:
Addition
Subtraction
Multiplication
Division
Fractions
100
-3 + 4
1
100
-10 - 4
-6
100
-5 x 3
-15
100
-12 / 4
-3
100

Write four fifths

4/5

200
-3 + -8
-11
200
-25 - 13
-38
200

-8 x 7

-56

200
28/-7
-4
200

1/5 + 3/5

4/5

300
100 + -27
73
300
-10 - (-5)
-5
300

-12 x -9

108

300
-37/37
-1
300

7/10 - 3/10

4/10

400
-98 + -13
-111
400
-100 - (-30)
-70
400
-25 x -13
325
400
-100/-25
4
400

simplify 10/30

2/6 = 1/3

500
-512 + 421
-91
500
55 - (-150)
205
500
-365 x -14
5110
500
-6000/12
-500
500

3/5 + 2/15

11/15