Answers

Add 81/30 and 6/81

1^st number: 2 21/30, 2^nd number: 6/81

81/30 + 6/81 is 749/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 30 × 27 = 810,
   81/30 = 81 × 27/30 × 27 = 2187/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   6/81 = 6 × 10/81 × 10 = 60/810
4. Add the two like fractions:
   2187/810 + 60/810 = 2187 + 60/810 = 2247/810
5. 2247/810 simplified gives 749/270
6. So, 81/30 + 6/81 = 749/270
   In mixed form: 2209/270

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