Answers

Add 27/54 and 90/81

1^st number: 27/54, 2^nd number: 1 9/81

27/54 + 90/81 is 29/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 54 × 3 = 162,
   27/54 = 27 × 3/54 × 3 = 81/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   90/81 = 90 × 2/81 × 2 = 180/162
4. Add the two like fractions:
   81/162 + 180/162 = 81 + 180/162 = 261/162
5. 261/162 simplified gives 29/18
6. So, 27/54 + 90/81 = 29/18
   In mixed form: 111/18

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