Answers

Add 81/5 and 70/98

1^st number: 16 1/5, 2^nd number: 70/98

81/5 + 70/98 is 592/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 5 × 98 = 490,
   81/5 = 81 × 98/5 × 98 = 7938/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   70/98 = 70 × 5/98 × 5 = 350/490
4. Add the two like fractions:
   7938/490 + 350/490 = 7938 + 350/490 = 8288/490
5. 8288/490 simplified gives 592/35
6. So, 81/5 + 70/98 = 592/35
   In mixed form: 1632/35

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