Answers

Add 90/63 and 9/98

1^st number: 1 27/63, 2^nd number: 9/98

90/63 + 9/98 is 149/98.

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,
   9/98 = 9 × 9/98 × 9 = 81/882
4. Add the two like fractions:
   1260/882 + 81/882 = 1260 + 81/882 = 1341/882
5. 1341/882 simplified gives 149/98
6. So, 90/63 + 9/98 = 149/98
   In mixed form: 151/98

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