Answers

Add 54/4 and 5/81

1^st number: 13 2/4, 2^nd number: 5/81

54/4 + 5/81 is 2197/162.

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,
   54/4 = 54 × 81/4 × 81 = 4374/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   5/81 = 5 × 4/81 × 4 = 20/324
4. Add the two like fractions:
   4374/324 + 20/324 = 4374 + 20/324 = 4394/324
5. 4394/324 simplified gives 2197/162
6. So, 54/4 + 5/81 = 2197/162
   In mixed form: 1391/162

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