Answers

Add 45/81 and 75/30

1^st number: 45/81, 2^nd number: 2 15/30

45/81 + 75/30 is 55/18.

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,
   45/81 = 45 × 10/81 × 10 = 450/810
3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
   75/30 = 75 × 27/30 × 27 = 2025/810
4. Add the two like fractions:
   450/810 + 2025/810 = 450 + 2025/810 = 2475/810
5. 2475/810 simplified gives 55/18
6. So, 45/81 + 75/30 = 55/18
   In mixed form: 31/18

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