Answers

Add 24/81 and 42/9

1^st number: 24/81, 2^nd number: 4 6/9

24/81 + 42/9 is 134/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 9 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   24/81 = 24 × 1/81 × 1 = 24/81
3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
   42/9 = 42 × 9/9 × 9 = 378/81
4. Add the two like fractions:
   24/81 + 378/81 = 24 + 378/81 = 402/81
5. 402/81 simplified gives 134/27
6. So, 24/81 + 42/9 = 134/27
   In mixed form: 426/27

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