Answers

Subtract 63/84 from 30/98

30/98 - 63/84 is -87/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 84 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 98 × 6 = 588,
   30/98 = 30 × 6/98 × 6 = 180/588
3. Likewise, for the 2nd fraction, since 84 × 7 = 588,
   63/84 = 63 × 7/84 × 7 = 441/588
4. Subtract the two like fractions:
   180/588 - 441/588 = 180 - 441/588 = -261/588
5. After reducing the fraction, the answer is -87/196

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