Common Denominators
Add Fractions
Subtract Fractions
Multiply or Divide Fractions
Types of Numbers
100

What is the least common denominator for 1/2 and 1/4?

4

100

What is 1/5 + 2/5

3/5

100

What is 7/9 - 4/9?

1/3 

100
What is 3/5 times 1/3?

1/5

100

Is zero a counting number?

No

200

What is the least common denominator for 2/3 and 3/5?

15

200

What is 1/3 plus 1/6

1/2

200

What is 3/4 - 1/2?

1/4

200

What is 5/3 divided by 2/7?

35/6

200

Is 2.7424242... a rational number?

Yes

300

What is the least common denominator for 5/6 and 7/8?

24

300

What is 3/4 +2/5?

1 3/20 or 23/20

300

What is 5/6 - 3/8?

2  7/12 and 31/12

300

What is 4/5 times 1/2?

2/5

300

Which number is not rational?

square root of 36

square root of 49

square root of 87

square root of 87

400

What is the least common denominator for 1/4, 1/6 and 1/9?

36

400

What is 2  1/3 + 1 3 /4?

4  1/12 and 49/12

400

What is 5  1/4 - 2  2/3?

2  7/12 or 31/12

400

What is 4/9 divided by 4/9

1

400

What of the following numbers are integers?

-5      10         -6/2     10/3

-5, 10 and -6/2

500

What is the least common denominator for 3/10, 7/12 and 4/15?

60

500

What is 3  5/8 and 4  5/6?

8  11/24  or 203/24

500

What is 7  1/5 - 3  5/6?

3  11/30 or 101/30

500

What is 2/3 times 1/4 times 5/2?

5/12

500

Which 2 categories does the number "pi" belong to?

irrational and real

M
e
n
u