Answers

Add 81/12 and 27/54

1^st number: 6 9/12, 2^nd number: 27/54

81/12 + 27/54 is 29/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 54 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 12 × 9 = 108,
   81/12 = 81 × 9/12 × 9 = 729/108
3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
   27/54 = 27 × 2/54 × 2 = 54/108
4. Add the two like fractions:
   729/108 + 54/108 = 729 + 54/108 = 783/108
5. 783/108 simplified gives 29/4
6. So, 81/12 + 27/54 = 29/4
   In mixed form: 71/4

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