Answers

Add 36/63 and 98/20

1^st number: 36/63, 2^nd number: 4 18/20

36/63 + 98/20 is 383/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   36/63 = 36 × 20/63 × 20 = 720/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   98/20 = 98 × 63/20 × 63 = 6174/1260
4. Add the two like fractions:
   720/1260 + 6174/1260 = 720 + 6174/1260 = 6894/1260
5. 6894/1260 simplified gives 383/70
6. So, 36/63 + 98/20 = 383/70
   In mixed form: 533/70

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