Answers

Add 72/18 and 27/54

1^st number: 4 0/18, 2^nd number: 27/54

72/18 + 27/54 is 9/2.

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,
   72/18 = 72 × 3/18 × 3 = 216/54
3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
   27/54 = 27 × 1/54 × 1 = 27/54
4. Add the two like fractions:
   216/54 + 27/54 = 216 + 27/54 = 243/54
5. 243/54 simplified gives 9/2
6. So, 72/18 + 27/54 = 9/2
   In mixed form: 41/2

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