Answers

Add 81/90 and 84/90

81/90 + 84/90 is 11/6.

Steps for adding fractions

1. Add the two fractions:
   81/90 + 84/90 = 81 + 84/90 = 165/90
2. 165/90 simplified gives 11/6
3. So, 81/90 + 84/90 = 11/6
   In mixed form: 15/6

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