9. What is the answer when 2 1/5 is subtracted to 1 1/4 ? A. 3 9/20 B. 3 1/2 C. 3 11/20 D. 3 3/5 10. What is the difference in 5 1/2 - 2 1/5 ? A 2 7/10 B. 3 7/10 C. 3 3/10 D. 4 3/10 11. When 8 is multiplied by 2/3, the product is A. 5 1/3 B. 8 2/3 C. 2 3/8 D. 3 1/5 12. What is 4/5 is multiplied by 9/10 ? A. 30/50 B. 18/25 C. 37/50 D. 21/25 13. What is N in 5/6 X 2/4 = N? A. 11/24 B. 11/12 C. 7/24 D. 5/12 14. Give the product of 8/9 X 1 2/3 B. 1 6/27 A. 1 5/24 D. 18/30 C. 1 13/27 15. In 1 2/3 x 2 3/4, the product will be A 47/12 B. 4 11/15 C. 5 8/12 D. 5 7/12 please help me​