Answers

Add 30/28 and 20/81

1^st number: 1 2/28, 2^nd number: 20/81

30/28 + 20/81 is 1495/1134.

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,
   30/28 = 30 × 81/28 × 81 = 2430/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   20/81 = 20 × 28/81 × 28 = 560/2268
4. Add the two like fractions:
   2430/2268 + 560/2268 = 2430 + 560/2268 = 2990/2268
5. 2990/2268 simplified gives 1495/1134
6. So, 30/28 + 20/81 = 1495/1134
   In mixed form: 1361/1134

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