Answers

Add 63/18 and 90/98

1^st number: 3 9/18, 2^nd number: 90/98

63/18 + 90/98 is 433/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 18 × 49 = 882,
   63/18 = 63 × 49/18 × 49 = 3087/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   90/98 = 90 × 9/98 × 9 = 810/882
4. Add the two like fractions:
   3087/882 + 810/882 = 3087 + 810/882 = 3897/882
5. 3897/882 simplified gives 433/98
6. So, 63/18 + 90/98 = 433/98
   In mixed form: 441/98

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