Answers

Add 72/2 and 15/81

1^st number: 36 0/2, 2^nd number: 15/81

72/2 + 15/81 is 977/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 2 × 81 = 162,
   72/2 = 72 × 81/2 × 81 = 5832/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   15/81 = 15 × 2/81 × 2 = 30/162
4. Add the two like fractions:
   5832/162 + 30/162 = 5832 + 30/162 = 5862/162
5. 5862/162 simplified gives 977/27
6. So, 72/2 + 15/81 = 977/27
   In mixed form: 365/27

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