Answers

Add 81/10 and 5/9

1^st number: 8 1/10, 2^nd number: 5/9

81/10 + 5/9 is 779/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 9 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   81/10 = 81 × 9/10 × 9 = 729/90
3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
   5/9 = 5 × 10/9 × 10 = 50/90
4. Add the two like fractions:
   729/90 + 50/90 = 729 + 50/90 = 779/90
5. So, 81/10 + 5/9 = 779/90
   In mixed form: 859/90

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