Answers

Add 2/9 and 9/10

2/9 + 9/10 is 101/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 10 is 90
2. For the 1st fraction, since 9 × 10 = 90,
   2/9 = 2 × 10/9 × 10 = 20/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   9/10 = 9 × 9/10 × 9 = 81/90
4. Add the two fractions:
   20/90 + 81/90 = 20 + 81/90 = 101/90
5. In mixed form: 111/90

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