Answers

Add 81/30 and 5/15

1^st number: 2 21/30, 2^nd number: 5/15

81/30 + 5/15 is 91/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 15 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 30 × 1 = 30,
   81/30 = 81 × 1/30 × 1 = 81/30
3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
   5/15 = 5 × 2/15 × 2 = 10/30
4. Add the two like fractions:
   81/30 + 10/30 = 81 + 10/30 = 91/30
5. So, 81/30 + 5/15 = 91/30
   In mixed form: 31/30

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