Answers

Add 81/3 and 54/36

1^st number: 27 0/3, 2^nd number: 1 18/36

81/3 + 54/36 is 57/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 36 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 3 × 12 = 36,
   81/3 = 81 × 12/3 × 12 = 972/36
3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
   54/36 = 54 × 1/36 × 1 = 54/36
4. Add the two like fractions:
   972/36 + 54/36 = 972 + 54/36 = 1026/36
5. 1026/36 simplified gives 57/2
6. So, 81/3 + 54/36 = 57/2
   In mixed form: 281/2

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