Answers

Add 20/6 and 42/81

1^st number: 3 2/6, 2^nd number: 42/81

20/6 + 42/81 is 104/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 6 × 27 = 162,
   20/6 = 20 × 27/6 × 27 = 540/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   42/81 = 42 × 2/81 × 2 = 84/162
4. Add the two like fractions:
   540/162 + 84/162 = 540 + 84/162 = 624/162
5. 624/162 simplified gives 104/27
6. So, 20/6 + 42/81 = 104/27
   In mixed form: 323/27

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