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Addition
Subtraction
Multiplication
Division
Lowest Form
100

1/6+1/24 = ?

5/24

100

1/6-1/24=?

Answer must be simplified completely

1/8

100

(9/27)x(2/3)=?

2/9

100

1/3÷1/6=?

2 or 6/3

100

Simplify to lowest form: 6/63

2/21

200

3/9+5/81=?

32/81

200

4/7-20/42=?

2/21

200

(5/3)x(30/63)=?

150/189 or 50/63

200

5/12÷9/10=?

50/108 or 25/54

200

Simplify to lowest term: 48/60

4/5

300

4/15+2 1/10=?

2 11/30 or 71/30

300

2 5/12 - 1 1/24 = ?

1 9/24 or 33/24

300

(5/6)x(-1/8)=?

-5/48

300

1 2/7 ÷ 2/9=?

81/14 or 5 11/14

300

Simplify to lowest term: 24/120

1/5

400

9/20 + (-1/40) = ?

17/40

400

1 5/9 - (-1/3) = ?

1 8/9 or 17/9

400

(-5/3)x(3/12)=? 

Answer must be completely simplified

-5/12

400

-5/4 ÷ 12/13=?

-65/48 or -1 17/48

400

Simplify to lowest term: -17/153

-1/9

500

-1 1/6 + 50/42=?

1/42

500

-7/8 - (- 1 1/4)=?

3/8

500

(-9/14)x(-15/10)=? 

Answer must be completely simplified

27/28

500

1 8/9 ÷ (-3 7/10) =?

-170/333

500

Simplify to lowest term: -84/144

-7/12