Answers

Add 15/28 and 54/8

1^st number: 15/28, 2^nd number: 6 6/8

15/28 + 54/8 is 51/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 8 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 28 × 2 = 56,
   15/28 = 15 × 2/28 × 2 = 30/56
3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
   54/8 = 54 × 7/8 × 7 = 378/56
4. Add the two like fractions:
   30/56 + 378/56 = 30 + 378/56 = 408/56
5. 408/56 simplified gives 51/7
6. So, 15/28 + 54/8 = 51/7
   In mixed form: 72/7

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