Answers

Add 12/98 and 63/54

1^st number: 12/98, 2^nd number: 1 9/54

12/98 + 63/54 is 379/294.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 54 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 98 × 27 = 2646,
   12/98 = 12 × 27/98 × 27 = 324/2646
3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
   63/54 = 63 × 49/54 × 49 = 3087/2646
4. Add the two like fractions:
   324/2646 + 3087/2646 = 324 + 3087/2646 = 3411/2646
5. 3411/2646 simplified gives 379/294
6. So, 12/98 + 63/54 = 379/294
   In mixed form: 185/294

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