Answers

Add 63/4 and 98/20

1^st number: 15 3/4, 2^nd number: 4 18/20

63/4 + 98/20 is 413/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   63/4 = 63 × 5/4 × 5 = 315/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   98/20 = 98 × 1/20 × 1 = 98/20
4. Add the two like fractions:
   315/20 + 98/20 = 315 + 98/20 = 413/20
5. So, 63/4 + 98/20 = 413/20
   In mixed form: 2013/20

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