Answers

Subtract 8/84 from 21/98

21/98 - 8/84 is 5/42.

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,
   21/98 = 21 × 6/98 × 6 = 126/588
3. Likewise, for the 2nd fraction, since 84 × 7 = 588,
   8/84 = 8 × 7/84 × 7 = 56/588
4. Subtract the two like fractions:
   126/588 - 56/588 = 126 - 56/588 = 70/588
5. After reducing the fraction, the answer is 5/42

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