Answers

Add 81/9 and 54/84

1^st number: 9 0/9, 2^nd number: 54/84

81/9 + 54/84 is 135/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 9 × 28 = 252,
   81/9 = 81 × 28/9 × 28 = 2268/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   54/84 = 54 × 3/84 × 3 = 162/252
4. Add the two like fractions:
   2268/252 + 162/252 = 2268 + 162/252 = 2430/252
5. 2430/252 simplified gives 135/14
6. So, 81/9 + 54/84 = 135/14
   In mixed form: 99/14

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