Answers

Add 75/27 and 81/56

1^st number: 2 21/27, 2^nd number: 1 25/56

75/27 + 81/56 is 2129/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 56 is 1512
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1512
2. For the 1st fraction, since 27 × 56 = 1512,
   75/27 = 75 × 56/27 × 56 = 4200/1512
3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
   81/56 = 81 × 27/56 × 27 = 2187/1512
4. Add the two like fractions:
   4200/1512 + 2187/1512 = 4200 + 2187/1512 = 6387/1512
5. 6387/1512 simplified gives 2129/504
6. So, 75/27 + 81/56 = 2129/504
   In mixed form: 4113/504

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