Answers

Add 98/28 and 56/15

1^st number: 3 14/28, 2^nd number: 3 11/15

98/28 + 56/15 is 217/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 15 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   98/28 = 98 × 15/28 × 15 = 1470/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   56/15 = 56 × 28/15 × 28 = 1568/420
4. Add the two like fractions:
   1470/420 + 1568/420 = 1470 + 1568/420 = 3038/420
5. 3038/420 simplified gives 217/30
6. So, 98/28 + 56/15 = 217/30
   In mixed form: 77/30

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