Answers

Add 98/15 and 63/28

1^st number: 6 8/15, 2^nd number: 2 7/28

98/15 + 63/28 is 527/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 28 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   98/15 = 98 × 28/15 × 28 = 2744/420
3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
   63/28 = 63 × 15/28 × 15 = 945/420
4. Add the two like fractions:
   2744/420 + 945/420 = 2744 + 945/420 = 3689/420
5. 3689/420 simplified gives 527/60
6. So, 98/15 + 63/28 = 527/60
   In mixed form: 847/60

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