Answers

Add 75/5 and 84/81

1^st number: 15 0/5, 2^nd number: 1 3/81

75/5 + 84/81 is 433/27.

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,
   75/5 = 75 × 81/5 × 81 = 6075/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   84/81 = 84 × 5/81 × 5 = 420/405
4. Add the two like fractions:
   6075/405 + 420/405 = 6075 + 420/405 = 6495/405
5. 6495/405 simplified gives 433/27
6. So, 75/5 + 84/81 = 433/27
   In mixed form: 161/27

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