Answers

Add 81/27 and 54/84

1^st number: 3 0/27, 2^nd number: 54/84

81/27 + 54/84 is 51/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 84 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 27 × 28 = 756,
   81/27 = 81 × 28/27 × 28 = 2268/756
3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
   54/84 = 54 × 9/84 × 9 = 486/756
4. Add the two like fractions:
   2268/756 + 486/756 = 2268 + 486/756 = 2754/756
5. 2754/756 simplified gives 51/14
6. So, 81/27 + 54/84 = 51/14
   In mixed form: 39/14

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