Answers

Add 81/28 and 35/25

1^st number: 2 25/28, 2^nd number: 1 10/25

81/28 + 35/25 is 601/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 25 is 700
   
   Next, find the equivalent fraction of both fractional numbers with denominator 700
2. For the 1st fraction, since 28 × 25 = 700,
   81/28 = 81 × 25/28 × 25 = 2025/700
3. Likewise, for the 2nd fraction, since 25 × 28 = 700,
   35/25 = 35 × 28/25 × 28 = 980/700
4. Add the two like fractions:
   2025/700 + 980/700 = 2025 + 980/700 = 3005/700
5. 3005/700 simplified gives 601/140
6. So, 81/28 + 35/25 = 601/140
   In mixed form: 441/140

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