Question

Add:
a) 3/7 and -9/7,
b) 5/9 and 7/-9

Write step by step​

Answer 1

Answer:

1) 3/7 + -9/7

= 3-9/7

= -6/7

2) 5/9 + 7/-9

5/9 -7/9

= 5-7/9

= -2/7

Step-by-step explanation:

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