b PG Pag Mathema Mga Gaw d Answer the following, encircle the letter of the correct answer. 7. 4/5-1/3- a 3/15 b.7/15 c. 2/5 d. 8/18 8. 9/11 - 7/11 = 3/11 .4/11 c.2111 d.1/11 2. 5/7 + 1/7 a. 6/7 b. 5/7 C. 4/7 d. 6/14 10, 5/8 + 1/3 = a. 6/11 b. 6/24 C. 21/24 d. 23/24 11. 2/9 is subtracted from 7/9 a. 4/9 b. 5/9 C. 8/9 d. 2/9 12. 1/7 - a, 9/14 b. 8/14 C. 5/14 d. 1/14