Answers

Add 90/63 and 25/98

1^st number: 1 27/63, 2^nd number: 25/98

90/63 + 25/98 is 165/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   90/63 = 90 × 14/63 × 14 = 1260/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   25/98 = 25 × 9/98 × 9 = 225/882
4. Add the two like fractions:
   1260/882 + 225/882 = 1260 + 225/882 = 1485/882
5. 1485/882 simplified gives 165/98
6. So, 90/63 + 25/98 = 165/98
   In mixed form: 167/98

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