Answers

Add 15/54 and 90/56

1^st number: 15/54, 2^nd number: 1 34/56

15/54 + 90/56 is 475/252.

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,
   15/54 = 15 × 28/54 × 28 = 420/1512
3. Likewise, for the 2nd fraction, since 56 × 27 = 1512,
   90/56 = 90 × 27/56 × 27 = 2430/1512
4. Add the two like fractions:
   420/1512 + 2430/1512 = 420 + 2430/1512 = 2850/1512
5. 2850/1512 simplified gives 475/252
6. So, 15/54 + 90/56 = 475/252
   In mixed form: 1223/252

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