Answers

Add 28/2 and 42/81

1^st number: 14 0/2, 2^nd number: 42/81

28/2 + 42/81 is 392/27.

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,
   28/2 = 28 × 81/2 × 81 = 2268/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   42/81 = 42 × 2/81 × 2 = 84/162
4. Add the two like fractions:
   2268/162 + 84/162 = 2268 + 84/162 = 2352/162
5. 2352/162 simplified gives 392/27
6. So, 28/2 + 42/81 = 392/27
   In mixed form: 1414/27

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