Answers

Add 9/81 and 75/30

1^st number: 9/81, 2^nd number: 2 15/30

9/81 + 75/30 is 47/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 30 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   9/81 = 9 × 10/81 × 10 = 90/810
3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
   75/30 = 75 × 27/30 × 27 = 2025/810
4. Add the two like fractions:
   90/810 + 2025/810 = 90 + 2025/810 = 2115/810
5. 2115/810 simplified gives 47/18
6. So, 9/81 + 75/30 = 47/18
   In mixed form: 211/18

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