Answers

Add 81/2 and 15/30

1^st number: 40 1/2, 2^nd number: 15/30

81/2 + 15/30 is 41/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 30 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 2 × 15 = 30,
   81/2 = 81 × 15/2 × 15 = 1215/30
3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
   15/30 = 15 × 1/30 × 1 = 15/30
4. Add the two like fractions:
   1215/30 + 15/30 = 1215 + 15/30 = 1230/30
5. 1230/30 simplified gives 41/1
6. So, 81/2 + 15/30 = 41/1

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