Answers

Add 81/2 and 2/10

1^st number: 40 1/2, 2^nd number: 2/10

81/2 + 2/10 is 407/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 10 is 10
   
   Next, find the equivalent fraction of both fractional numbers with denominator 10
2. For the 1st fraction, since 2 × 5 = 10,
   81/2 = 81 × 5/2 × 5 = 405/10
3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
   2/10 = 2 × 1/10 × 1 = 2/10
4. Add the two like fractions:
   405/10 + 2/10 = 405 + 2/10 = 407/10
5. So, 81/2 + 2/10 = 407/10
   In mixed form: 407/10

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