Answers

Add 18/80 and 30/80

18/80 + 30/80 is 3/5.

Steps for adding fractions

1. Add the two fractions:
   18/80 + 30/80 = 18 + 30/80 = 48/80
2. 48/80 simplified gives 3/5
3. So, 18/80 + 30/80 = 3/5

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