Answers

Add 81/27 and 81/12

1^st number: 3 0/27, 2^nd number: 6 9/12

81/27 + 81/12 is 39/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 12 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 27 × 4 = 108,
   81/27 = 81 × 4/27 × 4 = 324/108
3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
   81/12 = 81 × 9/12 × 9 = 729/108
4. Add the two like fractions:
   324/108 + 729/108 = 324 + 729/108 = 1053/108
5. 1053/108 simplified gives 39/4
6. So, 81/27 + 81/12 = 39/4
   In mixed form: 93/4

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