Rational Operations

Addition

100

-1/6 + 3/8 =

5/24

200

-1.6 + (-2.75) = 

-4.35

300

2/9 + (- 2 3/4) = 

-2 19/36

400

-.8 + (-4 1/2) = 

-5.3 or -5 3/10 or -53/10

500

6.1 + 2.05 = 

8.15

Subtraction

100

-6 - (-4.4) =

-1.6

200

-1 1/3 - 5/6 =

-2 1/6 or -13/6

300

-5.36 - 4.92 = 

-10.28

400

- 2/10 - (-1.6) =

1.4 or 1 4/10 or 14/10

500

1.29 - 3 7/100 = 

-1.78 or -1 78/100 or -178/100

Multiplication

100

8 x (-0.6) = 

-4.8

200

-4/5 x 2/3 = 

-8/15

300

-1 4/9 x (-2/7) = 

26/63

400

-0.3 x (-1.25)= 

0.375

500

-2/5 x 2.25 =

-0.9 or -450/500 or -9/10

Division

100

3/10 divided by 2/5 =

15/20 or 3/4

200

-0.7 divided by (-5) =

0.14

300

- 3/8 divided by 3/4=

-12/24 or -1/2

400

-3 divided by 3 1/3= 

-9/10

500

-5.4 divided by (-0.08)

67.5

Pot Luck

100

-8.89 divided by (-7/10) = 

12.7 or 8890/100 or 127/10 or 12 7/10

200

4.3 x (-11/20) = 

-2.365 or -473/100 or -2 73/100

300

2.7 - 8 = 

-5.3

400

-0.3 x (-2.1) = 

0.63

500

- 3/4 + 2.1 = 

1.35 or 1 2 7/20