Answers

Add 28/54 and 35/30

1^st number: 28/54, 2^nd number: 1 5/30

28/54 + 35/30 is 91/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 30 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   28/54 = 28 × 5/54 × 5 = 140/270
3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
   35/30 = 35 × 9/30 × 9 = 315/270
4. Add the two like fractions:
   140/270 + 315/270 = 140 + 315/270 = 455/270
5. 455/270 simplified gives 91/54
6. So, 28/54 + 35/30 = 91/54
   In mixed form: 137/54

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