Answers

Add 28/15 and 54/48

1^st number: 1 13/15, 2^nd number: 1 6/48

28/15 + 54/48 is 359/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 48 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   28/15 = 28 × 16/15 × 16 = 448/240
3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
   54/48 = 54 × 5/48 × 5 = 270/240
4. Add the two like fractions:
   448/240 + 270/240 = 448 + 270/240 = 718/240
5. 718/240 simplified gives 359/120
6. So, 28/15 + 54/48 = 359/120
   In mixed form: 2119/120

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