Answers

Add 84/81 and 28/49

1^st number: 1 3/81, 2^nd number: 28/49

84/81 + 28/49 is 304/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 49 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 81 × 49 = 3969,
   84/81 = 84 × 49/81 × 49 = 4116/3969
3. Likewise, for the 2nd fraction, since 49 × 81 = 3969,
   28/49 = 28 × 81/49 × 81 = 2268/3969
4. Add the two like fractions:
   4116/3969 + 2268/3969 = 4116 + 2268/3969 = 6384/3969
5. 6384/3969 simplified gives 304/189
6. So, 84/81 + 28/49 = 304/189
   In mixed form: 1115/189

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