Answer:
= 6.8
Explanation:
+
Since and have the same denominator, add them by adding their numerators.
Add 23 and 45 to get 68.
Reduce the fraction to lowest terms by extracting and canceling out 2.
Factor
= 6 = 6.8
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= 6.8
+ 
and have the same denominator, add them by adding their numerators.
to lowest terms by extracting and canceling out 2.
= 6
= 6.8