Question

please give me answer of this question
please give me answer by explanation


add the following rational numbers ​

Answer 1

Answer:

see the attachment for the answer

Answer 2

Answer:

11/21

Step-by-step explanation:

15/-7 + 8/3

15/-7 × 3/3 + 8/3×-7/-7

45/-21 + -56/-21

45- 56/ -21

-11/-21 = 11/21