Answers

Subtract 42/84 from 36/98

36/98 - 42/84 is -13/98.

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,
   36/98 = 36 × 6/98 × 6 = 216/588
3. Likewise, for the 2nd fraction, since 84 × 7 = 588,
   42/84 = 42 × 7/84 × 7 = 294/588
4. Subtract the two like fractions:
   216/588 - 294/588 = 216 - 294/588 = -78/588
5. After reducing the fraction, the answer is -13/98

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