Answers

Add 42/98 and 70/9

1^st number: 42/98, 2^nd number: 7 7/9

42/98 + 70/9 is 517/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 9 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 98 × 9 = 882,
   42/98 = 42 × 9/98 × 9 = 378/882
3. Likewise, for the 2nd fraction, since 9 × 98 = 882,
   70/9 = 70 × 98/9 × 98 = 6860/882
4. Add the two like fractions:
   378/882 + 6860/882 = 378 + 6860/882 = 7238/882
5. 7238/882 simplified gives 517/63
6. So, 42/98 + 70/9 = 517/63
   In mixed form: 813/63

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