Answers

Add 81/18 and 54/12

1^st number: 4 9/18, 2^nd number: 4 6/12

81/18 + 54/12 is 9/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 12 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   81/18 = 81 × 2/18 × 2 = 162/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   54/12 = 54 × 3/12 × 3 = 162/36
4. Add the two like fractions:
   162/36 + 162/36 = 162 + 162/36 = 324/36
5. 324/36 simplified gives 9/1
6. So, 81/18 + 54/12 = 9/1

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