Answers

Add 80/90 and 70/90

80/90 + 70/90 is 5/3.

Steps for adding fractions

1. Add the two fractions:
   80/90 + 70/90 = 80 + 70/90 = 150/90
2. 150/90 simplified gives 5/3
3. So, 80/90 + 70/90 = 5/3
   In mixed form: 12/3

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