Answers

Add 30/54 and 81/56

1^st number: 30/54, 2^nd number: 1 25/56

30/54 + 81/56 is 1009/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 56 is 1512
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1512
2. For the 1st fraction, since 54 × 28 = 1512,
   30/54 = 30 × 28/54 × 28 = 840/1512
3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
   81/56 = 81 × 27/56 × 27 = 2187/1512
4. Add the two like fractions:
   840/1512 + 2187/1512 = 840 + 2187/1512 = 3027/1512
5. 3027/1512 simplified gives 1009/504
6. So, 30/54 + 81/56 = 1009/504
   In mixed form: 21/504

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