Answers

Add 81/5 and 98/63

1^st number: 16 1/5, 2^nd number: 1 35/63

81/5 + 98/63 is 799/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 5 × 63 = 315,
   81/5 = 81 × 63/5 × 63 = 5103/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   98/63 = 98 × 5/63 × 5 = 490/315
4. Add the two like fractions:
   5103/315 + 490/315 = 5103 + 490/315 = 5593/315
5. 5593/315 simplified gives 799/45
6. So, 81/5 + 98/63 = 799/45
   In mixed form: 1734/45

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