Answers

Add 9/4 and 54/81

1^st number: 2 1/4, 2^nd number: 54/81

9/4 + 54/81 is 35/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   9/4 = 9 × 81/4 × 81 = 729/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   54/81 = 54 × 4/81 × 4 = 216/324
4. Add the two like fractions:
   729/324 + 216/324 = 729 + 216/324 = 945/324
5. 945/324 simplified gives 35/12
6. So, 9/4 + 54/81 = 35/12
   In mixed form: 211/12

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