Answers

Add 27/18 and 54/27

1^st number: 1 9/18, 2^nd number: 2 0/27

27/18 + 54/27 is 7/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   27/18 = 27 × 3/18 × 3 = 81/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   54/27 = 54 × 2/27 × 2 = 108/54
4. Add the two like fractions:
   81/54 + 108/54 = 81 + 108/54 = 189/54
5. 189/54 simplified gives 7/2
6. So, 27/18 + 54/27 = 7/2
   In mixed form: 31/2

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