Answers

Add 42/28 and 84/81

1^st number: 1 14/28, 2^nd number: 1 3/81

42/28 + 84/81 is 137/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 28 × 81 = 2268,
   42/28 = 42 × 81/28 × 81 = 3402/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   84/81 = 84 × 28/81 × 28 = 2352/2268
4. Add the two like fractions:
   3402/2268 + 2352/2268 = 3402 + 2352/2268 = 5754/2268
5. 5754/2268 simplified gives 137/54
6. So, 42/28 + 84/81 = 137/54
   In mixed form: 229/54

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