Answers

Add 28/45 and 84/75

1^st number: 28/45, 2^nd number: 1 9/75

28/45 + 84/75 is 392/225.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 75 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 45 × 5 = 225,
   28/45 = 28 × 5/45 × 5 = 140/225
3. Likewise, for the 2nd fraction, since 75 × 3 = 225,
   84/75 = 84 × 3/75 × 3 = 252/225
4. Add the two like fractions:
   140/225 + 252/225 = 140 + 252/225 = 392/225
5. So, 28/45 + 84/75 = 392/225
   In mixed form: 1167/225

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