Answers

Add 70/12 and 15/98

1^st number: 5 10/12, 2^nd number: 15/98

70/12 + 15/98 is 880/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 98 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 12 × 49 = 588,
   70/12 = 70 × 49/12 × 49 = 3430/588
3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
   15/98 = 15 × 6/98 × 6 = 90/588
4. Add the two like fractions:
   3430/588 + 90/588 = 3430 + 90/588 = 3520/588
5. 3520/588 simplified gives 880/147
6. So, 70/12 + 15/98 = 880/147
   In mixed form: 5145/147

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