Answers

Add 42/18 and 18/81

1^st number: 2 6/18, 2^nd number: 18/81

42/18 + 18/81 is 23/9.

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,
   42/18 = 42 × 9/18 × 9 = 378/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   18/81 = 18 × 2/81 × 2 = 36/162
4. Add the two like fractions:
   378/162 + 36/162 = 378 + 36/162 = 414/162
5. 414/162 simplified gives 23/9
6. So, 42/18 + 18/81 = 23/9
   In mixed form: 25/9

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