Answers

Add 54/27 and 90/18

1^st number: 2 0/27, 2^nd number: 5 0/18

54/27 + 90/18 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 18 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 27 × 2 = 54,
   54/27 = 54 × 2/27 × 2 = 108/54
3. Likewise, for the 2nd fraction, since 18 × 3 = 54,
   90/18 = 90 × 3/18 × 3 = 270/54
4. Add the two like fractions:
   108/54 + 270/54 = 108 + 270/54 = 378/54
5. 378/54 simplified gives 7/1
6. So, 54/27 + 90/18 = 7/1

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