Answers

Add 98/15 and 54/63

1^st number: 6 8/15, 2^nd number: 54/63

98/15 + 54/63 is 776/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 15 × 21 = 315,
   98/15 = 98 × 21/15 × 21 = 2058/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   54/63 = 54 × 5/63 × 5 = 270/315
4. Add the two like fractions:
   2058/315 + 270/315 = 2058 + 270/315 = 2328/315
5. 2328/315 simplified gives 776/105
6. So, 98/15 + 54/63 = 776/105
   In mixed form: 741/105

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