Answers

Add 21/84 and 9/98

21/84 + 9/98 is 67/196.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 98 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   21/84 = 21 × 7/84 × 7 = 147/588
3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
   9/98 = 9 × 6/98 × 6 = 54/588
4. Add the two like fractions:
   147/588 + 54/588 = 147 + 54/588 = 201/588
5. 201/588 simplified gives 67/196
6. So, 21/84 + 9/98 = 67/196

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