Answers

Add 28/15 and 56/12

1^st number: 1 13/15, 2^nd number: 4 8/12

28/15 + 56/12 is 98/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   28/15 = 28 × 4/15 × 4 = 112/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   56/12 = 56 × 5/12 × 5 = 280/60
4. Add the two like fractions:
   112/60 + 280/60 = 112 + 280/60 = 392/60
5. 392/60 simplified gives 98/15
6. So, 28/15 + 56/12 = 98/15
   In mixed form: 68/15

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