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Einstein Circle

Common Denominators (SHSAT Level):

Try your hand at some slightly more challenging common denominator problems similar to ones you are likely to see on exam day.

1.  

Calculate the multiplicative inverse of 4/3 + 1/2 - 4/5. 

(express as a simple or improper fraction e.g. 2/3 or 3/2)

[Get Hints]

Question 1 of 7

2.  

A1A2 + A2A3 + A3A4 + A4A5 + A5A6

 

If Ak = 1/k for any positive value of k, and k is a positive integer, what is the value of the expression above?

Question 2 of 7

3.  

On a number line, points J, K, L, and M are in alphabetical order and point K lies at 3/8.  

JK = 3 1/2 

JM = 9 3/4 

LM = 1 1/8 

What is the position of point L?

Question 3 of 7

4.  

Jen’s class has between 30 and 41 students. Exactly 75% of the students in her class have red book bags, and exactly 1/6 of the students in her class do not have a book bag at all. How many students are in Jen’s class?

Question 4 of 7

5.  

5/6 + 2/5 = ?

Question 5 of 7

6.  

a/3 + b/5 = ?

[Get Hints]

Question 6 of 7

7.  

Find the smallest common denominator between 2/3, 5/7, 8/9.

[Get Hints]

Question 7 of 7


 

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