Answers

Add 28/7 and 6/81

1^st number: 4 0/7, 2^nd number: 6/81

28/7 + 6/81 is 110/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 7 × 81 = 567,
   28/7 = 28 × 81/7 × 81 = 2268/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   6/81 = 6 × 7/81 × 7 = 42/567
4. Add the two like fractions:
   2268/567 + 42/567 = 2268 + 42/567 = 2310/567
5. 2310/567 simplified gives 110/27
6. So, 28/7 + 6/81 = 110/27
   In mixed form: 42/27

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