Answers

Add 81/54 and 90/27

1^st number: 1 27/54, 2^nd number: 3 9/27

81/54 + 90/27 is 29/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 54 × 1 = 54,
   81/54 = 81 × 1/54 × 1 = 81/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   90/27 = 90 × 2/27 × 2 = 180/54
4. Add the two like fractions:
   81/54 + 180/54 = 81 + 180/54 = 261/54
5. 261/54 simplified gives 29/6
6. So, 81/54 + 90/27 = 29/6
   In mixed form: 45/6

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