Answers

Add 90/15 and 2/81

1^st number: 6 0/15, 2^nd number: 2/81

90/15 + 2/81 is 488/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 15 × 27 = 405,
   90/15 = 90 × 27/15 × 27 = 2430/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   2/81 = 2 × 5/81 × 5 = 10/405
4. Add the two like fractions:
   2430/405 + 10/405 = 2430 + 10/405 = 2440/405
5. 2440/405 simplified gives 488/81
6. So, 90/15 + 2/81 = 488/81
   In mixed form: 62/81

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