Answers

Add 54/27 and 81/30

1^st number: 2 0/27, 2^nd number: 2 21/30

54/27 + 81/30 is 47/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 30 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 27 × 10 = 270,
   54/27 = 54 × 10/27 × 10 = 540/270
3. Likewise, for the 2nd fraction, since 30 × 9 = 270,
   81/30 = 81 × 9/30 × 9 = 729/270
4. Add the two like fractions:
   540/270 + 729/270 = 540 + 729/270 = 1269/270
5. 1269/270 simplified gives 47/10
6. So, 54/27 + 81/30 = 47/10
   In mixed form: 47/10

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