Answers

Add 98/21 and 80/6

1^st number: 4 14/21, 2^nd number: 13 2/6

98/21 + 80/6 is 18/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   98/21 = 98 × 2/21 × 2 = 196/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   80/6 = 80 × 7/6 × 7 = 560/42
4. Add the two like fractions:
   196/42 + 560/42 = 196 + 560/42 = 756/42
5. 756/42 simplified gives 18/1
6. So, 98/21 + 80/6 = 18/1

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