Answers

Subtract 45/84 from 42/98

42/98 - 45/84 is -3/28.

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,
   42/98 = 42 × 6/98 × 6 = 252/588
3. Likewise, for the 2nd fraction, since 84 × 7 = 588,
   45/84 = 45 × 7/84 × 7 = 315/588
4. Subtract the two like fractions:
   252/588 - 315/588 = 252 - 315/588 = -63/588
5. After reducing the fraction, the answer is -3/28

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