Answers

Add 63/5 and 15/81

1^st number: 12 3/5, 2^nd number: 15/81

63/5 + 15/81 is 1726/135.

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,
   15/81 = 15 × 5/81 × 5 = 75/405
4. Add the two like fractions:
   5103/405 + 75/405 = 5103 + 75/405 = 5178/405
5. 5178/405 simplified gives 1726/135
6. So, 63/5 + 15/81 = 1726/135
   In mixed form: 12106/135

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