Answers

Add 98/21 and 21/9

1^st number: 4 14/21, 2^nd number: 2 3/9

98/21 + 21/9 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   98/21 = 98 × 3/21 × 3 = 294/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   21/9 = 21 × 7/9 × 7 = 147/63
4. Add the two like fractions:
   294/63 + 147/63 = 294 + 147/63 = 441/63
5. 441/63 simplified gives 7/1
6. So, 98/21 + 21/9 = 7/1

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