Answer:
For this question, you can make the denominators the same to get the answer.
LCM of 7 and 9 = 63
=
= 1
82/63
Explanation:
The sum can be found using the formula ...
For the given fractions, the sum is ...
_____
Additional comment
When the denominators have no common factor, the least common denominator is their product, as here.
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