Answers

Add 70/12 and 81/98

1^st number: 5 10/12, 2^nd number: 81/98

70/12 + 81/98 is 979/147.

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,
   81/98 = 81 × 6/98 × 6 = 486/588
4. Add the two like fractions:
   3430/588 + 486/588 = 3430 + 486/588 = 3916/588
5. 3916/588 simplified gives 979/147
6. So, 70/12 + 81/98 = 979/147
   In mixed form: 697/147

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