Answers

Add 21/18 and 63/98

1^st number: 1 3/18, 2^nd number: 63/98

21/18 + 63/98 is 38/21.

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,
   21/18 = 21 × 49/18 × 49 = 1029/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   63/98 = 63 × 9/98 × 9 = 567/882
4. Add the two like fractions:
   1029/882 + 567/882 = 1029 + 567/882 = 1596/882
5. 1596/882 simplified gives 38/21
6. So, 21/18 + 63/98 = 38/21
   In mixed form: 117/21

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