Answers

Add 27/18 and 42/81

1^st number: 1 9/18, 2^nd number: 42/81

27/18 + 42/81 is 109/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 18 × 9 = 162,
   27/18 = 27 × 9/18 × 9 = 243/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   42/81 = 42 × 2/81 × 2 = 84/162
4. Add the two like fractions:
   243/162 + 84/162 = 243 + 84/162 = 327/162
5. 327/162 simplified gives 109/54
6. So, 27/18 + 42/81 = 109/54
   In mixed form: 21/54

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