Add
Subtract
Common Denominator
Proper fractions
Wild Card
100

1/2  +  1/2 =

What is 1?

100

2/3 - 1/3 =

What is 1/3?

100

Common denominator for 1/2 and 1/4

What is 8?

100

The proper fraction for  4/3

What is 1 and 1/3?

100

8/8

What is 1?

200

1/4  + 2/4  =

What is 3/4 ?

200

4/5 - 2/5 =

What is 2/5?

200

Common denominator for 3 and 2

What is 6?

200

The proper fraction for 8/7

What is 1 and 1/7?

200

The denominator in this fraction:  785/878

What is 878?

300

5/10 + 3/10 =

What is 8/10?

300

6/9 - 2/9 =

What is 4/9?

300

Common denominator for 10 and 2

What is 20?

300

The proper fraction for 40/38

What is 1 and 2/38?

300

What you get when you add 7/1 and 1/7

What is 50/7 

or 7 and 1/7?

400

25/30 + 2/30 =

What is 27/30?

400

44/80 - 40/80 =

What is 4/80?

400

Common denominator for 9 and 4

What is 36?

400

The proper fraction for 66/61

What is 1 and 5/61?

400

Multiply 2 * 3  to add 1/2 and 1/3

What is finding a common denominator?

500

4/1000 + 6/1000 =

What is 10/1000?

500

3250/5000 - 50/5000 =

What is 3200/5000?

500

Common denominator for 33 and 3?

What is 99?

500

The proper fraction for 18/6

What is 3?

500
1/5 * 3/3

1/3 * 5/5


What is one way to make a common denominator?

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