Answers

Add 30/18 and 45/54

1^st number: 1 12/18, 2^nd number: 45/54

30/18 + 45/54 is 5/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 54 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   30/18 = 30 × 3/18 × 3 = 90/54
3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
   45/54 = 45 × 1/54 × 1 = 45/54
4. Add the two like fractions:
   90/54 + 45/54 = 90 + 45/54 = 135/54
5. 135/54 simplified gives 5/2
6. So, 30/18 + 45/54 = 5/2
   In mixed form: 21/2

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