6. What is the sum of 3 1/4 and 1 1/4? *

A. 4 1/2

B. 1/2

C. 3/4

7. Find the product of 2/3 and 5/7 

A. 9/21

B. 10/21

C. 11/21

8. Multiply: 27/28 x 7/9 

A. 1/4

B. 2/4

C. 3/4

9. multiply 8 x 2 1/4 

A. 15

B. 16

C. 18

10. multiply 5 3/5 x 3 3/7 

A. 20

B. 21

C. 22