Question

Add -13/7 and 6/7 and add 4/6 and-8/21
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Answer 1

Answer:

1) -1

2) (28-16)/21

=12/21

4/7

Answer 2

Step-by-step explanation:

-13/7+6/7

(-13+6)/7

-7/7

-1

4/6+(-8/21)

4/6-8/21

(28-16)/42

12/42

2/7