Answers

Add 54/81 and 70/15

1^st number: 54/81, 2^nd number: 4 10/15

54/81 + 70/15 is 16/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 15 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 81 × 5 = 405,
   54/81 = 54 × 5/81 × 5 = 270/405
3. Likewise, for the 2nd fraction, since 15 × 27 = 405,
   70/15 = 70 × 27/15 × 27 = 1890/405
4. Add the two like fractions:
   270/405 + 1890/405 = 270 + 1890/405 = 2160/405
5. 2160/405 simplified gives 16/3
6. So, 54/81 + 70/15 = 16/3
   In mixed form: 51/3

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