Answers

Add 81/2 and 5/72

1^st number: 40 1/2, 2^nd number: 5/72

81/2 + 5/72 is 2921/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 2 × 36 = 72,
   81/2 = 81 × 36/2 × 36 = 2916/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   5/72 = 5 × 1/72 × 1 = 5/72
4. Add the two like fractions:
   2916/72 + 5/72 = 2916 + 5/72 = 2921/72
5. So, 81/2 + 5/72 = 2921/72
   In mixed form: 4041/72

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