Answers

Add 10/2 and 81/28

1^st number: 5 0/2, 2^nd number: 2 25/28

10/2 + 81/28 is 221/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 28 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 2 × 14 = 28,
   10/2 = 10 × 14/2 × 14 = 140/28
3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
   81/28 = 81 × 1/28 × 1 = 81/28
4. Add the two like fractions:
   140/28 + 81/28 = 140 + 81/28 = 221/28
5. So, 10/2 + 81/28 = 221/28
   In mixed form: 725/28

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