Answers

Add 15/81 and 8/7

1^st number: 15/81, 2^nd number: 1 1/7

15/81 + 8/7 is 251/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 7 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 81 × 7 = 567,
   15/81 = 15 × 7/81 × 7 = 105/567
3. Likewise, for the 2nd fraction, since 7 × 81 = 567,
   8/7 = 8 × 81/7 × 81 = 648/567
4. Add the two like fractions:
   105/567 + 648/567 = 105 + 648/567 = 753/567
5. 753/567 simplified gives 251/189
6. So, 15/81 + 8/7 = 251/189
   In mixed form: 162/189

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