Answers

Add 54/90 and 18/90

54/90 + 18/90 is 4/5.

Steps for adding fractions

1. Add the two fractions:
   54/90 + 18/90 = 54 + 18/90 = 72/90
2. 72/90 simplified gives 4/5
3. So, 54/90 + 18/90 = 4/5

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