Answers

Add 63/5 and 5/81

1^st number: 12 3/5, 2^nd number: 5/81

63/5 + 5/81 is 5128/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 5 × 81 = 405,
   63/5 = 63 × 81/5 × 81 = 5103/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   5/81 = 5 × 5/81 × 5 = 25/405
4. Add the two like fractions:
   5103/405 + 25/405 = 5103 + 25/405 = 5128/405
5. So, 63/5 + 5/81 = 5128/405
   In mixed form: 12268/405

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