Answers

Add 81/7 and 30/81

1^st number: 11 4/7, 2^nd number: 30/81

81/7 + 30/81 is 2257/189.

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,
   81/7 = 81 × 81/7 × 81 = 6561/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   30/81 = 30 × 7/81 × 7 = 210/567
4. Add the two like fractions:
   6561/567 + 210/567 = 6561 + 210/567 = 6771/567
5. 6771/567 simplified gives 2257/189
6. So, 81/7 + 30/81 = 2257/189
   In mixed form: 11178/189

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