Answers

Subtract 63/98 from 81/84

81/84 - 63/98 is 9/28.

Steps for subtracting 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,
   81/84 = 81 × 7/84 × 7 = 567/588
3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
   63/98 = 63 × 6/98 × 6 = 378/588
4. Subtract the two like fractions:
   567/588 - 378/588 = 567 - 378/588 = 189/588
5. After reducing the fraction, the answer is 9/28

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