Answers

Add 27/2 and 45/81

1^st number: 13 1/2, 2^nd number: 45/81

27/2 + 45/81 is 253/18.

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,
   27/2 = 27 × 81/2 × 81 = 2187/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   45/81 = 45 × 2/81 × 2 = 90/162
4. Add the two like fractions:
   2187/162 + 90/162 = 2187 + 90/162 = 2277/162
5. 2277/162 simplified gives 253/18
6. So, 27/2 + 45/81 = 253/18
   In mixed form: 141/18

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