Answers

Add 28/81 and 6/4

1^st number: 28/81, 2^nd number: 1 2/4

28/81 + 6/4 is 299/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 4 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   28/81 = 28 × 4/81 × 4 = 112/324
3. Likewise, for the 2nd fraction, since 4 × 81 = 324,
   6/4 = 6 × 81/4 × 81 = 486/324
4. Add the two like fractions:
   112/324 + 486/324 = 112 + 486/324 = 598/324
5. 598/324 simplified gives 299/162
6. So, 28/81 + 6/4 = 299/162
   In mixed form: 1137/162

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