Answers

Add 15/98 and 50/12

1^st number: 15/98, 2^nd number: 4 2/12

15/98 + 50/12 is 635/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 12 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 98 × 6 = 588,
   15/98 = 15 × 6/98 × 6 = 90/588
3. Likewise, for the 2nd fraction, since 12 × 49 = 588,
   50/12 = 50 × 49/12 × 49 = 2450/588
4. Add the two like fractions:
   90/588 + 2450/588 = 90 + 2450/588 = 2540/588
5. 2540/588 simplified gives 635/147
6. So, 15/98 + 50/12 = 635/147
   In mixed form: 447/147

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