Answers

Add 81/54 and 15/30

1^st number: 1 27/54, 2^nd number: 15/30

81/54 + 15/30 is 2/1.

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,
   81/54 = 81 × 5/54 × 5 = 405/270
3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
   15/30 = 15 × 9/30 × 9 = 135/270
4. Add the two like fractions:
   405/270 + 135/270 = 405 + 135/270 = 540/270
5. 540/270 simplified gives 2/1
6. So, 81/54 + 15/30 = 2/1

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