Answers

Add 50/12 and 15/81

1^st number: 4 2/12, 2^nd number: 15/81

50/12 + 15/81 is 235/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 12 × 27 = 324,
   50/12 = 50 × 27/12 × 27 = 1350/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   15/81 = 15 × 4/81 × 4 = 60/324
4. Add the two like fractions:
   1350/324 + 60/324 = 1350 + 60/324 = 1410/324
5. 1410/324 simplified gives 235/54
6. So, 50/12 + 15/81 = 235/54
   In mixed form: 419/54

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