Answers

Add 12/81 and 28/9

1^st number: 12/81, 2^nd number: 3 1/9

12/81 + 28/9 is 88/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 9 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   12/81 = 12 × 1/81 × 1 = 12/81
3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
   28/9 = 28 × 9/9 × 9 = 252/81
4. Add the two like fractions:
   12/81 + 252/81 = 12 + 252/81 = 264/81
5. 264/81 simplified gives 88/27
6. So, 12/81 + 28/9 = 88/27
   In mixed form: 37/27

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