Answers

Add 30/28 and 81/25

1^st number: 1 2/28, 2^nd number: 3 6/25

30/28 + 81/25 is 1509/350.

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,
   30/28 = 30 × 25/28 × 25 = 750/700
3. Likewise, for the 2nd fraction, since 25 × 28 = 700,
   81/25 = 81 × 28/25 × 28 = 2268/700
4. Add the two like fractions:
   750/700 + 2268/700 = 750 + 2268/700 = 3018/700
5. 3018/700 simplified gives 1509/350
6. So, 30/28 + 81/25 = 1509/350
   In mixed form: 4109/350

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