Answers

Add 3/84 and 90/98

3/84 + 90/98 is 187/196.

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,
   3/84 = 3 × 7/84 × 7 = 21/588
3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
   90/98 = 90 × 6/98 × 6 = 540/588
4. Add the two like fractions:
   21/588 + 540/588 = 21 + 540/588 = 561/588
5. 561/588 simplified gives 187/196
6. So, 3/84 + 90/98 = 187/196

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