Answers

Add 7/54 and 63/56

1^st number: 7/54, 2^nd number: 1 7/56

7/54 + 63/56 is 271/216.

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,
   7/54 = 7 × 28/54 × 28 = 196/1512
3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
   63/56 = 63 × 27/56 × 27 = 1701/1512
4. Add the two like fractions:
   196/1512 + 1701/1512 = 196 + 1701/1512 = 1897/1512
5. 1897/1512 simplified gives 271/216
6. So, 7/54 + 63/56 = 271/216
   In mixed form: 155/216

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