Question

1. Which of the following is a common denominator of 3/4 and 5/6?

A. 6


B. 8


C. 10


D. 12




2. Which of the following is NOT a common denominator of 2/5 and 3/10?

A. 5


B. 10


C. 20


D. 30




3. Which of the following correctly renames 2/3 and 1/2 using a common denominator?

A. 2/6 and 1/6


B. 3/6 and 2/6


C. 4/6 and 3/6


D. 4/6 and 6/12


4. Which correctly renames 7/8 and 5/6 using a common denominator?

A. 14/16 and 15/18


B. 28/24 and 20/24


C. 42/48 and 40/48


D. 42/48 and 30/48


5. Which of the following is a common denominator of 3/4 and 1/5?

A. 20


B. 15


C. 30


D. 35

Answer 1

1. D 12
2. A 5
3. C 4/6 and 3/6
4. C
5. A 20